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Finding the Fourth Proportional to 166.92, 250.50 and 93.72

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Solution

The fourth proportional to 166.92, 250.50 and 93.72 is: 140.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.92 : 250.50 = 93.72 : x
  2. Step 2: Convert to fraction form
    166.92/250.50 = 93.72/x
  3. Step 3: Cross multiply
    166.92x = 250.50 × 93.72
  4. Step 4: Simplify right side
    166.92x = 23,476.86
  5. Step 5: Solve for x
    x = 23,476.86/166.92
  6. Step 6: Final answer
    x = 140.65

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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.