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Finding the Fourth Proportional to 243.24, 337.38 and 234.60

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Solution

The fourth proportional to 243.24, 337.38 and 234.60 is: 325.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.24 : 337.38 = 234.60 : x
  2. Step 2: Convert to fraction form
    243.24/337.38 = 234.60/x
  3. Step 3: Cross multiply
    243.24x = 337.38 × 234.60
  4. Step 4: Simplify right side
    243.24x = 79,149.35
  5. Step 5: Solve for x
    x = 79,149.35/243.24
  6. Step 6: Final answer
    x = 325.40

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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.