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Finding the Fourth Proportional to 335.27, 462.71 and 252.79

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Solution

The fourth proportional to 335.27, 462.71 and 252.79 is: 348.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.27 : 462.71 = 252.79 : x
  2. Step 2: Convert to fraction form
    335.27/462.71 = 252.79/x
  3. Step 3: Cross multiply
    335.27x = 462.71 × 252.79
  4. Step 4: Simplify right side
    335.27x = 116,967.94
  5. Step 5: Solve for x
    x = 116,967.94/335.27
  6. Step 6: Final answer
    x = 348.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.