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Finding the Fourth Proportional to 334.87, 462.02 and 231.43

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Solution

The fourth proportional to 334.87, 462.02 and 231.43 is: 319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.87 : 462.02 = 231.43 : x
  2. Step 2: Convert to fraction form
    334.87/462.02 = 231.43/x
  3. Step 3: Cross multiply
    334.87x = 462.02 × 231.43
  4. Step 4: Simplify right side
    334.87x = 106,924.13
  5. Step 5: Solve for x
    x = 106,924.13/334.87
  6. Step 6: Final answer
    x = 319.30

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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.