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Finding the Fourth Proportional to 367.98, 550.89 and 223.26

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Solution

The fourth proportional to 367.98, 550.89 and 223.26 is: 334.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.98 : 550.89 = 223.26 : x
  2. Step 2: Convert to fraction form
    367.98/550.89 = 223.26/x
  3. Step 3: Cross multiply
    367.98x = 550.89 × 223.26
  4. Step 4: Simplify right side
    367.98x = 122,991.70
  5. Step 5: Solve for x
    x = 122,991.70/367.98
  6. Step 6: Final answer
    x = 334.23

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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.