Finding the Fourth Proportional to 62.56, 86.16 and 58.08
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Solution
The fourth proportional to 62.56, 86.16 and 58.08 is: 79.99
Step by Step Solution
- Step 1: Write the proportion equation
62.56 : 86.16 = 58.08 : x - Step 2: Convert to fraction form
62.56/86.16 = 58.08/x - Step 3: Cross multiply
62.56x = 86.16 × 58.08 - Step 4: Simplify right side
62.56x = 5,004.17 - Step 5: Solve for x
x = 5,004.17/62.56 - Step 6: Final answer
x = 79.99
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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.