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Finding the Fourth Proportional to 367.22, 506.68 and 227.50

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Solution

The fourth proportional to 367.22, 506.68 and 227.50 is: 313.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.22 : 506.68 = 227.50 : x
  2. Step 2: Convert to fraction form
    367.22/506.68 = 227.50/x
  3. Step 3: Cross multiply
    367.22x = 506.68 × 227.50
  4. Step 4: Simplify right side
    367.22x = 115,269.70
  5. Step 5: Solve for x
    x = 115,269.70/367.22
  6. Step 6: Final answer
    x = 313.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.