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Finding the Fourth Proportional to 367.63, 550.41 and 269.82

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Solution

The fourth proportional to 367.63, 550.41 and 269.82 is: 403.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.63 : 550.41 = 269.82 : x
  2. Step 2: Convert to fraction form
    367.63/550.41 = 269.82/x
  3. Step 3: Cross multiply
    367.63x = 550.41 × 269.82
  4. Step 4: Simplify right side
    367.63x = 148,511.63
  5. Step 5: Solve for x
    x = 148,511.63/367.63
  6. Step 6: Final answer
    x = 403.97

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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.