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Finding the Fourth Proportional to 484.06, 726.81 and 475.42

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Solution

The fourth proportional to 484.06, 726.81 and 475.42 is: 713.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.06 : 726.81 = 475.42 : x
  2. Step 2: Convert to fraction form
    484.06/726.81 = 475.42/x
  3. Step 3: Cross multiply
    484.06x = 726.81 × 475.42
  4. Step 4: Simplify right side
    484.06x = 345,540.01
  5. Step 5: Solve for x
    x = 345,540.01/484.06
  6. Step 6: Final answer
    x = 713.84

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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.