Best Inverse Proportion Apps

Ratio Calculator Tool

Ratio calculating companion

Free

This utility app specializes in calculating proportions, solving for an unknown value in direct and inverse ratio equations. It handles scenarios like price increases and speed decreases, offering a simple yet effective tool for proportion-based problems.

Proportion_Calculator

Proportion Calculator

Free

This app helps you find the unknown value in proportions by showing step-by-step calculations. It's useful for various applications, from cooking to science, and offers a simple, fast, and visually appealing way to solve proportion problems.

Rule of Three Calculator

by Saran Dumronggittigule

Free

This utility app helps you solve problems involving ratios and proportions. It calculates an unknown number based on the relationship between two other known numbers.

Proportions App

by Paolo Montalto

Free

This utility app quickly calculates unknown values in everyday ratios. It features a clean interface for easy setup and instant results, making it ideal for school, work, or daily tasks.

aspect:ratio

by manolo Sanudo

Free

Easily calculate any ratio for design projects. Input a base ratio and either width or height to automatically determine the other dimension. Offers dark and light themes for usability in any lighting.

Rule of Three - Calculator

Simple Rule of 3 calculator

Free

This utility app simplifies calculations for the Rule of Three, supporting both direct and indirect proportion modes. It is designed with accessibility in mind, optimized for VoiceOver and other assistive features.

Recipe Scaler & Rule of Three

Direct proportion

Free

Instantly calculate proportions and simplify everyday math problems with this app. It features a recipe scaler to adjust ingredients and a rule of three calculator for quick, accurate solutions. An intuitive Q&A tool also helps solve homework-style questions.

Mathematical Imagery Trainer

Proportion Imagery Trainer

Free

This app uses interactive visual exercises to teach the concept of proportion. Developed with a mathematics education professor, it guides users from intuitive exploration to symbolic representation, making math meaningful through hands-on problem-solving.

Simple ratio calculator

Formula Saving Functionality

Free

Easily calculate and save frequently used ratios with a clean, user-friendly interface. Ideal for scientific experiments, cooking, and design projects, this tool simplifies proportion management for enhanced learning and hobbies.

SAT Math: Number Lite

500+ questions - 52 subtopics

Free

Prepare for the SAT Math test with over 500 practice questions and detailed explanations covering Number & Operations. Track your progress with visual meters and revise specific topics to ensure readiness for test day.

Easy Golden Ratio Calculator

by Innovative Tomato, LLC

Free

This tool helps users calculate proportions based on the golden ratio (1:1.618). Input any one value, and it automatically computes the other two, aiding in the creation of aesthetically pleasing designs.

MathTappers: Equivalents

Fractions, decimals & percents

Free

This educational game helps students master equivalent fractions, decimals, and percents. It offers visual aids like number lines, grids, and pie charts to support understanding. Designed by math educators, it aims to make learning math concepts accessible and engaging.