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Finding the Fourth Proportional to 34.24, 50.94 and 33.90

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Solution

The fourth proportional to 34.24, 50.94 and 33.90 is: 50.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.24 : 50.94 = 33.90 : x
  2. Step 2: Convert to fraction form
    34.24/50.94 = 33.90/x
  3. Step 3: Cross multiply
    34.24x = 50.94 × 33.90
  4. Step 4: Simplify right side
    34.24x = 1,726.87
  5. Step 5: Solve for x
    x = 1,726.87/34.24
  6. Step 6: Final answer
    x = 50.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.