Finding the Fourth Proportional to 62.59, 86.20 and 58.81
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Solution
The fourth proportional to 62.59, 86.20 and 58.81 is: 80.99
Step by Step Solution
- Step 1: Write the proportion equation
62.59 : 86.20 = 58.81 : x - Step 2: Convert to fraction form
62.59/86.20 = 58.81/x - Step 3: Cross multiply
62.59x = 86.20 × 58.81 - Step 4: Simplify right side
62.59x = 5,069.42 - Step 5: Solve for x
x = 5,069.42/62.59 - 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.