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Finding the Fourth Proportional to 234.59, 351.36 and 195.89

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Solution

The fourth proportional to 234.59, 351.36 and 195.89 is: 293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.59 : 351.36 = 195.89 : x
  2. Step 2: Convert to fraction form
    234.59/351.36 = 195.89/x
  3. Step 3: Cross multiply
    234.59x = 351.36 × 195.89
  4. Step 4: Simplify right side
    234.59x = 68,826.15
  5. Step 5: Solve for x
    x = 68,826.15/234.59
  6. Step 6: Final answer
    x = 293.40

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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.