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Finding the Fourth Proportional to 250.12, 375.60 and 248.24

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Solution

The fourth proportional to 250.12, 375.60 and 248.24 is: 372.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.12 : 375.60 = 248.24 : x
  2. Step 2: Convert to fraction form
    250.12/375.60 = 248.24/x
  3. Step 3: Cross multiply
    250.12x = 375.60 × 248.24
  4. Step 4: Simplify right side
    250.12x = 93,238.94
  5. Step 5: Solve for x
    x = 93,238.94/250.12
  6. Step 6: Final answer
    x = 372.78

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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.