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Finding the Fourth Proportional to 249.14, 374.02 and 235.51

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Solution

The fourth proportional to 249.14, 374.02 and 235.51 is: 353.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.14 : 374.02 = 235.51 : x
  2. Step 2: Convert to fraction form
    249.14/374.02 = 235.51/x
  3. Step 3: Cross multiply
    249.14x = 374.02 × 235.51
  4. Step 4: Simplify right side
    249.14x = 88,083.93
  5. Step 5: Solve for x
    x = 88,083.93/249.14
  6. Step 6: Final answer
    x = 353.55

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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.