Finding the Fourth Proportional to 97.13, 133.97 and 63.92
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Solution
The fourth proportional to 97.13, 133.97 and 63.92 is: 88.16
Step by Step Solution
- Step 1: Write the proportion equation
97.13 : 133.97 = 63.92 : x - Step 2: Convert to fraction form
97.13/133.97 = 63.92/x - Step 3: Cross multiply
97.13x = 133.97 × 63.92 - Step 4: Simplify right side
97.13x = 8,562.37 - Step 5: Solve for x
x = 8,562.37/97.13 - Step 6: Final answer
x = 88.16
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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.