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Finding the Fourth Proportional to 1,349.90, 2,024.85 and 375.92

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Solution

The fourth proportional to 1,349.90, 2,024.85 and 375.92 is: 563.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349.90 : 2,024.85 = 375.92 : x
  2. Step 2: Convert to fraction form
    1,349.90/2,024.85 = 375.92/x
  3. Step 3: Cross multiply
    1,349.90x = 2,024.85 × 375.92
  4. Step 4: Simplify right side
    1,349.90x = 761,181.61
  5. Step 5: Solve for x
    x = 761,181.61/1,349.90
  6. Step 6: Final answer
    x = 563.88

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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.