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Finding the Fourth Proportional to 367.89, 550.83 and 291

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Solution

The fourth proportional to 367.89, 550.83 and 291 is: 435.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.89 : 550.83 = 291 : x
  2. Step 2: Convert to fraction form
    367.89/550.83 = 291/x
  3. Step 3: Cross multiply
    367.89x = 550.83 × 291
  4. Step 4: Simplify right side
    367.89x = 160,291.53
  5. Step 5: Solve for x
    x = 160,291.53/367.89
  6. Step 6: Final answer
    x = 435.71

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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.