Ratios and Proportions
By: Aubrey Burns Sanchez 4th period
Deffinition of Rate, Ratios and proportions
Rate- A comparison of a measurement in which one term has the value of one.
Ratio- A fixed ratio between two things.
Proportions- two ratios or fractions are equal value.
Proportionality
Deffinition: to check to verify a proportion has equivalent ratios.
Proportional: has equal ratios
Non proportional: does NOT have equal ratios.
Setting up proportions
When you are setting up a proportion you should set it up as a fraction. Then you need to use the butterfly method to solve it and see if it's proportional or non proportional.
Solving proportions
You will use the butterfly method and cross multiply to solve your proportion.
Types of proportions
Stating that two ratios are equivalent