Finding the Fourth Proportional to 157.25, 216.99 and 95.07
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Solution
The fourth proportional to 157.25, 216.99 and 95.07 is: 131.19
Step by Step Solution
- Step 1: Write the proportion equation
157.25 : 216.99 = 95.07 : x - Step 2: Convert to fraction form
157.25/216.99 = 95.07/x - Step 3: Cross multiply
157.25x = 216.99 × 95.07 - Step 4: Simplify right side
157.25x = 20,629.24 - Step 5: Solve for x
x = 20,629.24/157.25 - Step 6: Final answer
x = 131.19
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.