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Finding the Fourth Proportional to 235.88, 351.20 and 232.40

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Solution

The fourth proportional to 235.88, 351.20 and 232.40 is: 346.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.88 : 351.20 = 232.40 : x
  2. Step 2: Convert to fraction form
    235.88/351.20 = 232.40/x
  3. Step 3: Cross multiply
    235.88x = 351.20 × 232.40
  4. Step 4: Simplify right side
    235.88x = 81,618.88
  5. Step 5: Solve for x
    x = 81,618.88/235.88
  6. Step 6: Final answer
    x = 346.02

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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.