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Finding the Fourth Proportional to 250.14, 372.64 and 243.78

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Solution

The fourth proportional to 250.14, 372.64 and 243.78 is: 363.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.14 : 372.64 = 243.78 : x
  2. Step 2: Convert to fraction form
    250.14/372.64 = 243.78/x
  3. Step 3: Cross multiply
    250.14x = 372.64 × 243.78
  4. Step 4: Simplify right side
    250.14x = 90,842.18
  5. Step 5: Solve for x
    x = 90,842.18/250.14
  6. Step 6: Final answer
    x = 363.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.