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Finding the Fourth Proportional to 397.66, 596.02 and 224.41

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Solution

The fourth proportional to 397.66, 596.02 and 224.41 is: 336.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    397.66 : 596.02 = 224.41 : x
  2. Step 2: Convert to fraction form
    397.66/596.02 = 224.41/x
  3. Step 3: Cross multiply
    397.66x = 596.02 × 224.41
  4. Step 4: Simplify right side
    397.66x = 133,752.85
  5. Step 5: Solve for x
    x = 133,752.85/397.66
  6. Step 6: Final answer
    x = 336.35

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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.