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Finding the Fourth Proportional to 361.46, 541.92 and 224.60

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Solution

The fourth proportional to 361.46, 541.92 and 224.60 is: 336.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.46 : 541.92 = 224.60 : x
  2. Step 2: Convert to fraction form
    361.46/541.92 = 224.60/x
  3. Step 3: Cross multiply
    361.46x = 541.92 × 224.60
  4. Step 4: Simplify right side
    361.46x = 121,715.23
  5. Step 5: Solve for x
    x = 121,715.23/361.46
  6. Step 6: Final answer
    x = 336.73

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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.