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Finding the Fourth Proportional to 250.38, 373.66 and 243.90

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Solution

The fourth proportional to 250.38, 373.66 and 243.90 is: 363.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.38 : 373.66 = 243.90 : x
  2. Step 2: Convert to fraction form
    250.38/373.66 = 243.90/x
  3. Step 3: Cross multiply
    250.38x = 373.66 × 243.90
  4. Step 4: Simplify right side
    250.38x = 91,135.06
  5. Step 5: Solve for x
    x = 91,135.06/250.38
  6. Step 6: Final answer
    x = 363.99

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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.