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Finding the Fourth Proportional to 224.14, 336.16 and 114.39

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Solution

The fourth proportional to 224.14, 336.16 and 114.39 is: 171.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.14 : 336.16 = 114.39 : x
  2. Step 2: Convert to fraction form
    224.14/336.16 = 114.39/x
  3. Step 3: Cross multiply
    224.14x = 336.16 × 114.39
  4. Step 4: Simplify right side
    224.14x = 38,453.34
  5. Step 5: Solve for x
    x = 38,453.34/224.14
  6. Step 6: Final answer
    x = 171.56

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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.