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Finding the Fourth Proportional to 375.90, 518.57 and 244.88

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Solution

The fourth proportional to 375.90, 518.57 and 244.88 is: 337.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.90 : 518.57 = 244.88 : x
  2. Step 2: Convert to fraction form
    375.90/518.57 = 244.88/x
  3. Step 3: Cross multiply
    375.90x = 518.57 × 244.88
  4. Step 4: Simplify right side
    375.90x = 126,987.42
  5. Step 5: Solve for x
    x = 126,987.42/375.90
  6. Step 6: Final answer
    x = 337.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.