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Finding the Fourth Proportional to 235.75, 350.62 and 231.14

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Solution

The fourth proportional to 235.75, 350.62 and 231.14 is: 343.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.75 : 350.62 = 231.14 : x
  2. Step 2: Convert to fraction form
    235.75/350.62 = 231.14/x
  3. Step 3: Cross multiply
    235.75x = 350.62 × 231.14
  4. Step 4: Simplify right side
    235.75x = 81,042.31
  5. Step 5: Solve for x
    x = 81,042.31/235.75
  6. Step 6: Final answer
    x = 343.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.