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Finding the Fourth Proportional to 367.83, 552.27 and 231.42

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Solution

The fourth proportional to 367.83, 552.27 and 231.42 is: 347.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.83 : 552.27 = 231.42 : x
  2. Step 2: Convert to fraction form
    367.83/552.27 = 231.42/x
  3. Step 3: Cross multiply
    367.83x = 552.27 × 231.42
  4. Step 4: Simplify right side
    367.83x = 127,806.32
  5. Step 5: Solve for x
    x = 127,806.32/367.83
  6. Step 6: Final answer
    x = 347.46

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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.