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Finding the Fourth Proportional to 335.90, 504.09 and 249.44

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Solution

The fourth proportional to 335.90, 504.09 and 249.44 is: 374.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.90 : 504.09 = 249.44 : x
  2. Step 2: Convert to fraction form
    335.90/504.09 = 249.44/x
  3. Step 3: Cross multiply
    335.90x = 504.09 × 249.44
  4. Step 4: Simplify right side
    335.90x = 125,737.69
  5. Step 5: Solve for x
    x = 125,737.69/335.90
  6. Step 6: Final answer
    x = 374.34

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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.