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Finding the Fourth Proportional to 224.18, 335.72 and 151.82

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Solution

The fourth proportional to 224.18, 335.72 and 151.82 is: 227.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.18 : 335.72 = 151.82 : x
  2. Step 2: Convert to fraction form
    224.18/335.72 = 151.82/x
  3. Step 3: Cross multiply
    224.18x = 335.72 × 151.82
  4. Step 4: Simplify right side
    224.18x = 50,967.71
  5. Step 5: Solve for x
    x = 50,967.71/224.18
  6. Step 6: Final answer
    x = 227.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.