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Finding the Fourth Proportional to 484.23, 726.36 and 267.69

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Solution

The fourth proportional to 484.23, 726.36 and 267.69 is: 401.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.23 : 726.36 = 267.69 : x
  2. Step 2: Convert to fraction form
    484.23/726.36 = 267.69/x
  3. Step 3: Cross multiply
    484.23x = 726.36 × 267.69
  4. Step 4: Simplify right side
    484.23x = 194,439.31
  5. Step 5: Solve for x
    x = 194,439.31/484.23
  6. Step 6: Final answer
    x = 401.54

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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.