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Finding the Fourth Proportional to 224.48, 336.24 and 115.94

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Solution

The fourth proportional to 224.48, 336.24 and 115.94 is: 173.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.48 : 336.24 = 115.94 : x
  2. Step 2: Convert to fraction form
    224.48/336.24 = 115.94/x
  3. Step 3: Cross multiply
    224.48x = 336.24 × 115.94
  4. Step 4: Simplify right side
    224.48x = 38,981.98
  5. Step 5: Solve for x
    x = 38,981.98/224.48
  6. Step 6: Final answer
    x = 173.66

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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.