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Finding the Fourth Proportional to 50.17, 68.96 and 44.31

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Solution

The fourth proportional to 50.17, 68.96 and 44.31 is: 60.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.17 : 68.96 = 44.31 : x
  2. Step 2: Convert to fraction form
    50.17/68.96 = 44.31/x
  3. Step 3: Cross multiply
    50.17x = 68.96 × 44.31
  4. Step 4: Simplify right side
    50.17x = 3,055.14
  5. Step 5: Solve for x
    x = 3,055.14/50.17
  6. Step 6: Final answer
    x = 60.90

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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.