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Finding the Fourth Proportional to 252.48, 350.04 and 243.57

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Solution

The fourth proportional to 252.48, 350.04 and 243.57 is: 337.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.48 : 350.04 = 243.57 : x
  2. Step 2: Convert to fraction form
    252.48/350.04 = 243.57/x
  3. Step 3: Cross multiply
    252.48x = 350.04 × 243.57
  4. Step 4: Simplify right side
    252.48x = 85,259.24
  5. Step 5: Solve for x
    x = 85,259.24/252.48
  6. Step 6: Final answer
    x = 337.69

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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.