Finding the Fourth Proportional to 97.24, 134.20 and 52.99
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Solution
The fourth proportional to 97.24, 134.20 and 52.99 is: 73.12
Step by Step Solution
- Step 1: Write the proportion equation
97.24 : 134.20 = 52.99 : x - Step 2: Convert to fraction form
97.24/134.20 = 52.99/x - Step 3: Cross multiply
97.24x = 134.20 × 52.99 - Step 4: Simplify right side
97.24x = 7,110.64 - Step 5: Solve for x
x = 7,110.64/97.24 - Step 6: Final answer
x = 73.12
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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.