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Finding the Fourth Proportional to 1,432.73, 2,149.10 and 567.03

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Solution

The fourth proportional to 1,432.73, 2,149.10 and 567.03 is: 850.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432.73 : 2,149.10 = 567.03 : x
  2. Step 2: Convert to fraction form
    1,432.73/2,149.10 = 567.03/x
  3. Step 3: Cross multiply
    1,432.73x = 2,149.10 × 567.03
  4. Step 4: Simplify right side
    1,432.73x = 1,218,601.34
  5. Step 5: Solve for x
    x = 1,218,601.34/1,432.73
  6. Step 6: Final answer
    x = 850.55

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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.