Finding the Fourth Proportional to 73.38, 101.07 and 58.80
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Solution
The fourth proportional to 73.38, 101.07 and 58.80 is: 80.99
Step by Step Solution
- Step 1: Write the proportion equation
73.38 : 101.07 = 58.80 : x - Step 2: Convert to fraction form
73.38/101.07 = 58.80/x - Step 3: Cross multiply
73.38x = 101.07 × 58.80 - Step 4: Simplify right side
73.38x = 5,942.92 - Step 5: Solve for x
x = 5,942.92/73.38 - Step 6: Final answer
x = 80.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.