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Finding the Fourth Proportional to 484.19, 726.11 and 175.97

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Solution

The fourth proportional to 484.19, 726.11 and 175.97 is: 263.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.19 : 726.11 = 175.97 : x
  2. Step 2: Convert to fraction form
    484.19/726.11 = 175.97/x
  3. Step 3: Cross multiply
    484.19x = 726.11 × 175.97
  4. Step 4: Simplify right side
    484.19x = 127,776.16
  5. Step 5: Solve for x
    x = 127,776.16/484.19
  6. Step 6: Final answer
    x = 263.89

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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.