Solving Proportion Problems
Question 1:
y is directly proportional to the square of x.
When x = 2, y = 16, find y when
x = 5.
100
Question 2:
y is directly proportional to the cube of x.
When x = 10, y = 2000, find y when
x = 4.
128
Question 3:
y is inversely proportional to the square of x.
When x = 10, y = 288, find y when
x = 12.
200
Question 4:
y is inversely proportional to the cube of x.
When x = 1, y = 216, find y when
x = 3.
8