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Finding the Fourth Proportional to 243.24, 337.07 and 240.27

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Solution

The fourth proportional to 243.24, 337.07 and 240.27 is: 332.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.24 : 337.07 = 240.27 : x
  2. Step 2: Convert to fraction form
    243.24/337.07 = 240.27/x
  3. Step 3: Cross multiply
    243.24x = 337.07 × 240.27
  4. Step 4: Simplify right side
    243.24x = 80,986.61
  5. Step 5: Solve for x
    x = 80,986.61/243.24
  6. Step 6: Final answer
    x = 332.95

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.