Finding the Fourth Proportional to 97.23, 145.76 and 61.08
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Solution
The fourth proportional to 97.23, 145.76 and 61.08 is: 91.56
Step by Step Solution
- Step 1: Write the proportion equation
97.23 : 145.76 = 61.08 : x - Step 2: Convert to fraction form
97.23/145.76 = 61.08/x - Step 3: Cross multiply
97.23x = 145.76 × 61.08 - Step 4: Simplify right side
97.23x = 8,901.99 - Step 5: Solve for x
x = 8,901.99/97.23 - Step 6: Final answer
x = 91.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.