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Finding the Fourth Proportional to 249.87, 343.76 and 236.91

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Solution

The fourth proportional to 249.87, 343.76 and 236.91 is: 325.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.87 : 343.76 = 236.91 : x
  2. Step 2: Convert to fraction form
    249.87/343.76 = 236.91/x
  3. Step 3: Cross multiply
    249.87x = 343.76 × 236.91
  4. Step 4: Simplify right side
    249.87x = 81,439.00
  5. Step 5: Solve for x
    x = 81,439.00/249.87
  6. Step 6: Final answer
    x = 325.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.