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Finding the Fourth Proportional to 335.97, 462.92 and 225.27

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Solution

The fourth proportional to 335.97, 462.92 and 225.27 is: 310.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.97 : 462.92 = 225.27 : x
  2. Step 2: Convert to fraction form
    335.97/462.92 = 225.27/x
  3. Step 3: Cross multiply
    335.97x = 462.92 × 225.27
  4. Step 4: Simplify right side
    335.97x = 104,280.86
  5. Step 5: Solve for x
    x = 104,280.86/335.97
  6. Step 6: Final answer
    x = 310.39

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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.