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Finding the Fourth Proportional to 234.66, 351.02 and 162.38

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Solution

The fourth proportional to 234.66, 351.02 and 162.38 is: 242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.66 : 351.02 = 162.38 : x
  2. Step 2: Convert to fraction form
    234.66/351.02 = 162.38/x
  3. Step 3: Cross multiply
    234.66x = 351.02 × 162.38
  4. Step 4: Simplify right side
    234.66x = 56,998.63
  5. Step 5: Solve for x
    x = 56,998.63/234.66
  6. Step 6: Final answer
    x = 242.90

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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.