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Finding the Fourth Proportional to 361.60, 541.77 and 224.74

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Solution

The fourth proportional to 361.60, 541.77 and 224.74 is: 336.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.60 : 541.77 = 224.74 : x
  2. Step 2: Convert to fraction form
    361.60/541.77 = 224.74/x
  3. Step 3: Cross multiply
    361.60x = 541.77 × 224.74
  4. Step 4: Simplify right side
    361.60x = 121,757.22
  5. Step 5: Solve for x
    x = 121,757.22/361.60
  6. Step 6: Final answer
    x = 336.72

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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.