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Finding the Fourth Proportional to 367.50, 550.08 and 251.58

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Solution

The fourth proportional to 367.50, 550.08 and 251.58 is: 376.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.50 : 550.08 = 251.58 : x
  2. Step 2: Convert to fraction form
    367.50/550.08 = 251.58/x
  3. Step 3: Cross multiply
    367.50x = 550.08 × 251.58
  4. Step 4: Simplify right side
    367.50x = 138,389.13
  5. Step 5: Solve for x
    x = 138,389.13/367.50
  6. Step 6: Final answer
    x = 376.57

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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.