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Finding the Fourth Proportional to 224.36, 336.58 and 115.96

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Solution

The fourth proportional to 224.36, 336.58 and 115.96 is: 173.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.36 : 336.58 = 115.96 : x
  2. Step 2: Convert to fraction form
    224.36/336.58 = 115.96/x
  3. Step 3: Cross multiply
    224.36x = 336.58 × 115.96
  4. Step 4: Simplify right side
    224.36x = 39,029.82
  5. Step 5: Solve for x
    x = 39,029.82/224.36
  6. Step 6: Final answer
    x = 173.96

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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.