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Finding the Fourth Proportional to 244.31, 368.18 and 219.96

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Solution

The fourth proportional to 244.31, 368.18 and 219.96 is: 331.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.31 : 368.18 = 219.96 : x
  2. Step 2: Convert to fraction form
    244.31/368.18 = 219.96/x
  3. Step 3: Cross multiply
    244.31x = 368.18 × 219.96
  4. Step 4: Simplify right side
    244.31x = 80,983.77
  5. Step 5: Solve for x
    x = 80,983.77/244.31
  6. Step 6: Final answer
    x = 331.49

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.