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Finding the Fourth Proportional to 179.06, 269.04 and 87.92

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Solution

The fourth proportional to 179.06, 269.04 and 87.92 is: 132.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.06 : 269.04 = 87.92 : x
  2. Step 2: Convert to fraction form
    179.06/269.04 = 87.92/x
  3. Step 3: Cross multiply
    179.06x = 269.04 × 87.92
  4. Step 4: Simplify right side
    179.06x = 23,654.00
  5. Step 5: Solve for x
    x = 23,654.00/179.06
  6. Step 6: Final answer
    x = 132.10

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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.