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Finding the Fourth Proportional to 236.87, 323.99 and 233.09

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Solution

The fourth proportional to 236.87, 323.99 and 233.09 is: 318.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.87 : 323.99 = 233.09 : x
  2. Step 2: Convert to fraction form
    236.87/323.99 = 233.09/x
  3. Step 3: Cross multiply
    236.87x = 323.99 × 233.09
  4. Step 4: Simplify right side
    236.87x = 75,516.04
  5. Step 5: Solve for x
    x = 75,516.04/236.87
  6. Step 6: Final answer
    x = 318.81

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.