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Finding the Fourth Proportional to 224.90, 337.29 and 188.57

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Solution

The fourth proportional to 224.90, 337.29 and 188.57 is: 282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.90 : 337.29 = 188.57 : x
  2. Step 2: Convert to fraction form
    224.90/337.29 = 188.57/x
  3. Step 3: Cross multiply
    224.90x = 337.29 × 188.57
  4. Step 4: Simplify right side
    224.90x = 63,602.78
  5. Step 5: Solve for x
    x = 63,602.78/224.90
  6. Step 6: Final answer
    x = 282.80

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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.