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Finding the Fourth Proportional to 244.88, 336.50 and 218.96

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Solution

The fourth proportional to 244.88, 336.50 and 218.96 is: 300.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.88 : 336.50 = 218.96 : x
  2. Step 2: Convert to fraction form
    244.88/336.50 = 218.96/x
  3. Step 3: Cross multiply
    244.88x = 336.50 × 218.96
  4. Step 4: Simplify right side
    244.88x = 73,680.04
  5. Step 5: Solve for x
    x = 73,680.04/244.88
  6. Step 6: Final answer
    x = 300.88

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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.