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Finding the Fourth Proportional to 224.18, 336.36 and 173.16

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Solution

The fourth proportional to 224.18, 336.36 and 173.16 is: 259.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.18 : 336.36 = 173.16 : x
  2. Step 2: Convert to fraction form
    224.18/336.36 = 173.16/x
  3. Step 3: Cross multiply
    224.18x = 336.36 × 173.16
  4. Step 4: Simplify right side
    224.18x = 58,244.10
  5. Step 5: Solve for x
    x = 58,244.10/224.18
  6. Step 6: Final answer
    x = 259.81

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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.