Finding the Fourth Proportional to 62.63, 93.86 and 55.38
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Solution
The fourth proportional to 62.63, 93.86 and 55.38 is: 82.99
Step by Step Solution
- Step 1: Write the proportion equation
62.63 : 93.86 = 55.38 : x - Step 2: Convert to fraction form
62.63/93.86 = 55.38/x - Step 3: Cross multiply
62.63x = 93.86 × 55.38 - Step 4: Simplify right side
62.63x = 5,197.97 - Step 5: Solve for x
x = 5,197.97/62.63 - Step 6: Final answer
x = 82.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.