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Finding the Fourth Proportional to 334.81, 462.41 and 224.74

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Solution

The fourth proportional to 334.81, 462.41 and 224.74 is: 310.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.81 : 462.41 = 224.74 : x
  2. Step 2: Convert to fraction form
    334.81/462.41 = 224.74/x
  3. Step 3: Cross multiply
    334.81x = 462.41 × 224.74
  4. Step 4: Simplify right side
    334.81x = 103,920.90
  5. Step 5: Solve for x
    x = 103,920.90/334.81
  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.