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Finding the Fourth Proportional to 234.06, 351.18 and 125.72

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Solution

The fourth proportional to 234.06, 351.18 and 125.72 is: 188.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.06 : 351.18 = 125.72 : x
  2. Step 2: Convert to fraction form
    234.06/351.18 = 125.72/x
  3. Step 3: Cross multiply
    234.06x = 351.18 × 125.72
  4. Step 4: Simplify right side
    234.06x = 44,150.35
  5. Step 5: Solve for x
    x = 44,150.35/234.06
  6. Step 6: Final answer
    x = 188.63

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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.