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Finding the Fourth Proportional to 234.22, 350.70 and 130.93

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Solution

The fourth proportional to 234.22, 350.70 and 130.93 is: 196.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.22 : 350.70 = 130.93 : x
  2. Step 2: Convert to fraction form
    234.22/350.70 = 130.93/x
  3. Step 3: Cross multiply
    234.22x = 350.70 × 130.93
  4. Step 4: Simplify right side
    234.22x = 45,917.15
  5. Step 5: Solve for x
    x = 45,917.15/234.22
  6. Step 6: Final answer
    x = 196.04

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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.