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Finding the Fourth Proportional to 180.08, 269.92 and 88.66

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Solution

The fourth proportional to 180.08, 269.92 and 88.66 is: 132.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    180.08 : 269.92 = 88.66 : x
  2. Step 2: Convert to fraction form
    180.08/269.92 = 88.66/x
  3. Step 3: Cross multiply
    180.08x = 269.92 × 88.66
  4. Step 4: Simplify right side
    180.08x = 23,931.11
  5. Step 5: Solve for x
    x = 23,931.11/180.08
  6. Step 6: Final answer
    x = 132.89

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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.