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Finding the Fourth Proportional to 176.11, 264.17 and 103.92

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Solution

The fourth proportional to 176.11, 264.17 and 103.92 is: 155.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.11 : 264.17 = 103.92 : x
  2. Step 2: Convert to fraction form
    176.11/264.17 = 103.92/x
  3. Step 3: Cross multiply
    176.11x = 264.17 × 103.92
  4. Step 4: Simplify right side
    176.11x = 27,453.30
  5. Step 5: Solve for x
    x = 27,453.30/176.11
  6. Step 6: Final answer
    x = 155.88

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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.