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Finding the Fourth Proportional to 224.98, 337.57 and 156.33

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Solution

The fourth proportional to 224.98, 337.57 and 156.33 is: 234.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.98 : 337.57 = 156.33 : x
  2. Step 2: Convert to fraction form
    224.98/337.57 = 156.33/x
  3. Step 3: Cross multiply
    224.98x = 337.57 × 156.33
  4. Step 4: Simplify right side
    224.98x = 52,771.93
  5. Step 5: Solve for x
    x = 52,771.93/224.98
  6. Step 6: Final answer
    x = 234.57

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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.