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Finding the Fourth Proportional to 484.32, 726.54 and 224.33

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Solution

The fourth proportional to 484.32, 726.54 and 224.33 is: 336.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.32 : 726.54 = 224.33 : x
  2. Step 2: Convert to fraction form
    484.32/726.54 = 224.33/x
  3. Step 3: Cross multiply
    484.32x = 726.54 × 224.33
  4. Step 4: Simplify right side
    484.32x = 162,983.60
  5. Step 5: Solve for x
    x = 162,983.60/484.32
  6. Step 6: Final answer
    x = 336.52

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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.