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Finding the Fourth Proportional to 235.75, 353.82 and 201.73

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Solution

The fourth proportional to 235.75, 353.82 and 201.73 is: 302.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.75 : 353.82 = 201.73 : x
  2. Step 2: Convert to fraction form
    235.75/353.82 = 201.73/x
  3. Step 3: Cross multiply
    235.75x = 353.82 × 201.73
  4. Step 4: Simplify right side
    235.75x = 71,376.11
  5. Step 5: Solve for x
    x = 71,376.11/235.75
  6. Step 6: Final answer
    x = 302.76

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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.