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Finding the Fourth Proportional to 367.74, 551.96 and 231.06

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Solution

The fourth proportional to 367.74, 551.96 and 231.06 is: 346.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.74 : 551.96 = 231.06 : x
  2. Step 2: Convert to fraction form
    367.74/551.96 = 231.06/x
  3. Step 3: Cross multiply
    367.74x = 551.96 × 231.06
  4. Step 4: Simplify right side
    367.74x = 127,535.88
  5. Step 5: Solve for x
    x = 127,535.88/367.74
  6. Step 6: Final answer
    x = 346.81

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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.