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Finding the Fourth Proportional to 335.14, 462.41 and 224.57

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Solution

The fourth proportional to 335.14, 462.41 and 224.57 is: 309.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.14 : 462.41 = 224.57 : x
  2. Step 2: Convert to fraction form
    335.14/462.41 = 224.57/x
  3. Step 3: Cross multiply
    335.14x = 462.41 × 224.57
  4. Step 4: Simplify right side
    335.14x = 103,844.29
  5. Step 5: Solve for x
    x = 103,844.29/335.14
  6. Step 6: Final answer
    x = 309.86

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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.