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Finding the Fourth Proportional to 367.69, 550.51 and 251.89

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Solution

The fourth proportional to 367.69, 550.51 and 251.89 is: 377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.69 : 550.51 = 251.89 : x
  2. Step 2: Convert to fraction form
    367.69/550.51 = 251.89/x
  3. Step 3: Cross multiply
    367.69x = 550.51 × 251.89
  4. Step 4: Simplify right side
    367.69x = 138,667.96
  5. Step 5: Solve for x
    x = 138,667.96/367.69
  6. Step 6: Final answer
    x = 377.13

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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.