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Finding the Fourth Proportional to 252.92, 379.68 and 116.01

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Solution

The fourth proportional to 252.92, 379.68 and 116.01 is: 174.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.92 : 379.68 = 116.01 : x
  2. Step 2: Convert to fraction form
    252.92/379.68 = 116.01/x
  3. Step 3: Cross multiply
    252.92x = 379.68 × 116.01
  4. Step 4: Simplify right side
    252.92x = 44,046.68
  5. Step 5: Solve for x
    x = 44,046.68/252.92
  6. Step 6: Final answer
    x = 174.16

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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.