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Finding the Fourth Proportional to 899.18, 1,348.86 and 249.92

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Solution

The fourth proportional to 899.18, 1,348.86 and 249.92 is: 374.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    899.18 : 1,348.86 = 249.92 : x
  2. Step 2: Convert to fraction form
    899.18/1,348.86 = 249.92/x
  3. Step 3: Cross multiply
    899.18x = 1,348.86 × 249.92
  4. Step 4: Simplify right side
    899.18x = 337,107.09
  5. Step 5: Solve for x
    x = 337,107.09/899.18
  6. Step 6: Final answer
    x = 374.91

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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.