Finding the Fourth Proportional to 58.80, 81.11 and 36.97
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Solution
The fourth proportional to 58.80, 81.11 and 36.97 is: 50.99
Step by Step Solution
- Step 1: Write the proportion equation
58.80 : 81.11 = 36.97 : x - Step 2: Convert to fraction form
58.80/81.11 = 36.97/x - Step 3: Cross multiply
58.80x = 81.11 × 36.97 - Step 4: Simplify right side
58.80x = 2,998.05 - Step 5: Solve for x
x = 2,998.05/58.80 - Step 6: Final answer
x = 50.99
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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.