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Finding the Fourth Proportional to 224.49, 336.38 and 163.34

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Solution

The fourth proportional to 224.49, 336.38 and 163.34 is: 244.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.49 : 336.38 = 163.34 : x
  2. Step 2: Convert to fraction form
    224.49/336.38 = 163.34/x
  3. Step 3: Cross multiply
    224.49x = 336.38 × 163.34
  4. Step 4: Simplify right side
    224.49x = 54,944.31
  5. Step 5: Solve for x
    x = 54,944.31/224.49
  6. Step 6: Final answer
    x = 244.75

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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.