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Finding the Fourth Proportional to 33.37, 50.03 and 18.16

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Solution

The fourth proportional to 33.37, 50.03 and 18.16 is: 27.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.37 : 50.03 = 18.16 : x
  2. Step 2: Convert to fraction form
    33.37/50.03 = 18.16/x
  3. Step 3: Cross multiply
    33.37x = 50.03 × 18.16
  4. Step 4: Simplify right side
    33.37x = 908.40
  5. Step 5: Solve for x
    x = 908.40/33.37
  6. Step 6: Final answer
    x = 27.22

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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.