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Finding the Fourth Proportional to 33.50, 50.24 and 18.29

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Solution

The fourth proportional to 33.50, 50.24 and 18.29 is: 27.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.50 : 50.24 = 18.29 : x
  2. Step 2: Convert to fraction form
    33.50/50.24 = 18.29/x
  3. Step 3: Cross multiply
    33.50x = 50.24 × 18.29
  4. Step 4: Simplify right side
    33.50x = 919.06
  5. Step 5: Solve for x
    x = 919.06/33.50
  6. Step 6: Final answer
    x = 27.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.