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Finding the Fourth Proportional to 224.27, 336.62 and 211.94

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Solution

The fourth proportional to 224.27, 336.62 and 211.94 is: 318.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.27 : 336.62 = 211.94 : x
  2. Step 2: Convert to fraction form
    224.27/336.62 = 211.94/x
  3. Step 3: Cross multiply
    224.27x = 336.62 × 211.94
  4. Step 4: Simplify right side
    224.27x = 71,343.35
  5. Step 5: Solve for x
    x = 71,343.35/224.27
  6. Step 6: Final answer
    x = 318.12

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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.