Proportion as Ratio
Look at table you completed for Activity 3, Part A. It looks like this:
Fill in the table above with the measurements for a 27" bicycle wheel.
In the space below, write the proportions that relate the distance traveled
in one revolution of a 27" bicycle wheel to the distance traveled in 2,
3, and 4 revolutions.
After completing Activity 6,
you should now understand that when a bicycle is in a gear where the chain
is connecting a sprocket with 44 teeth in the front to one with 22 teeth
in the back, it will travel at the same speed as if you had 50 teeth in
the front and 25 in the back.
Write this statement as a proportion in the space below.
Answer the following using complete sentences:
Solve the following proportions. You may wish to refer
to Reference Sheet
Last updated on 1/30/1999