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Finding the Fourth Proportional to 267.62, 400.62 and 232.80

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Solution

The fourth proportional to 267.62, 400.62 and 232.80 is: 348.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.62 : 400.62 = 232.80 : x
  2. Step 2: Convert to fraction form
    267.62/400.62 = 232.80/x
  3. Step 3: Cross multiply
    267.62x = 400.62 × 232.80
  4. Step 4: Simplify right side
    267.62x = 93,264.34
  5. Step 5: Solve for x
    x = 93,264.34/267.62
  6. Step 6: Final answer
    x = 348.50

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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.