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Finding the Fourth Proportional to 33.54, 50.25 and 18.35

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Solution

The fourth proportional to 33.54, 50.25 and 18.35 is: 27.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.54 : 50.25 = 18.35 : x
  2. Step 2: Convert to fraction form
    33.54/50.25 = 18.35/x
  3. Step 3: Cross multiply
    33.54x = 50.25 × 18.35
  4. Step 4: Simplify right side
    33.54x = 921.84
  5. Step 5: Solve for x
    x = 921.84/33.54
  6. Step 6: Final answer
    x = 27.48

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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.