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Finding the Fourth Proportional to 1,469.38, 2,204.34 and 495.58

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Solution

The fourth proportional to 1,469.38, 2,204.34 and 495.58 is: 743.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.38 : 2,204.34 = 495.58 : x
  2. Step 2: Convert to fraction form
    1,469.38/2,204.34 = 495.58/x
  3. Step 3: Cross multiply
    1,469.38x = 2,204.34 × 495.58
  4. Step 4: Simplify right side
    1,469.38x = 1,092,426.82
  5. Step 5: Solve for x
    x = 1,092,426.82/1,469.38
  6. Step 6: Final answer
    x = 743.46

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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.