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Finding the Fourth Proportional to 367.63, 551.46 and 148.27

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Solution

The fourth proportional to 367.63, 551.46 and 148.27 is: 222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.63 : 551.46 = 148.27 : x
  2. Step 2: Convert to fraction form
    367.63/551.46 = 148.27/x
  3. Step 3: Cross multiply
    367.63x = 551.46 × 148.27
  4. Step 4: Simplify right side
    367.63x = 81,761.48
  5. Step 5: Solve for x
    x = 81,761.48/367.63
  6. Step 6: Final answer
    x = 222.40

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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.