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Finding the Fourth Proportional to 454.88, 683.06 and 249.90

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Solution

The fourth proportional to 454.88, 683.06 and 249.90 is: 375.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    454.88 : 683.06 = 249.90 : x
  2. Step 2: Convert to fraction form
    454.88/683.06 = 249.90/x
  3. Step 3: Cross multiply
    454.88x = 683.06 × 249.90
  4. Step 4: Simplify right side
    454.88x = 170,695.44
  5. Step 5: Solve for x
    x = 170,695.44/454.88
  6. Step 6: Final answer
    x = 375.26

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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.