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Finding the Fourth Proportional to 250.49, 375.84 and 249.48

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Solution

The fourth proportional to 250.49, 375.84 and 249.48 is: 374.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.49 : 375.84 = 249.48 : x
  2. Step 2: Convert to fraction form
    250.49/375.84 = 249.48/x
  3. Step 3: Cross multiply
    250.49x = 375.84 × 249.48
  4. Step 4: Simplify right side
    250.49x = 93,764.56
  5. Step 5: Solve for x
    x = 93,764.56/250.49
  6. Step 6: Final answer
    x = 374.32

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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.