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Finding the Fourth Proportional to 335.97, 505.94 and 249.92

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Solution

The fourth proportional to 335.97, 505.94 and 249.92 is: 376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.97 : 505.94 = 249.92 : x
  2. Step 2: Convert to fraction form
    335.97/505.94 = 249.92/x
  3. Step 3: Cross multiply
    335.97x = 505.94 × 249.92
  4. Step 4: Simplify right side
    335.97x = 126,442.64
  5. Step 5: Solve for x
    x = 126,442.64/335.97
  6. Step 6: Final answer
    x = 376.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.