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Finding the Fourth Proportional to 249.84, 374.04 and 235.44

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Solution

The fourth proportional to 249.84, 374.04 and 235.44 is: 352.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.84 : 374.04 = 235.44 : x
  2. Step 2: Convert to fraction form
    249.84/374.04 = 235.44/x
  3. Step 3: Cross multiply
    249.84x = 374.04 × 235.44
  4. Step 4: Simplify right side
    249.84x = 88,063.98
  5. Step 5: Solve for x
    x = 88,063.98/249.84
  6. Step 6: Final answer
    x = 352.48

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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.