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Finding the Fourth Proportional to 736.62, 1,104.71 and 249.54

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Solution

The fourth proportional to 736.62, 1,104.71 and 249.54 is: 374.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.62 : 1,104.71 = 249.54 : x
  2. Step 2: Convert to fraction form
    736.62/1,104.71 = 249.54/x
  3. Step 3: Cross multiply
    736.62x = 1,104.71 × 249.54
  4. Step 4: Simplify right side
    736.62x = 275,668.09
  5. Step 5: Solve for x
    x = 275,668.09/736.62
  6. Step 6: Final answer
    x = 374.23

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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.