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Finding the Fourth Proportional to 335.32, 462.60 and 223.42

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Solution

The fourth proportional to 335.32, 462.60 and 223.42 is: 308.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.32 : 462.60 = 223.42 : x
  2. Step 2: Convert to fraction form
    335.32/462.60 = 223.42/x
  3. Step 3: Cross multiply
    335.32x = 462.60 × 223.42
  4. Step 4: Simplify right side
    335.32x = 103,354.09
  5. Step 5: Solve for x
    x = 103,354.09/335.32
  6. Step 6: Final answer
    x = 308.23

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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.