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Finding the Fourth Proportional to 33.37, 46.05 and 18.81

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Solution

The fourth proportional to 33.37, 46.05 and 18.81 is: 25.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.37 : 46.05 = 18.81 : x
  2. Step 2: Convert to fraction form
    33.37/46.05 = 18.81/x
  3. Step 3: Cross multiply
    33.37x = 46.05 × 18.81
  4. Step 4: Simplify right side
    33.37x = 866.27
  5. Step 5: Solve for x
    x = 866.27/33.37
  6. Step 6: Final answer
    x = 25.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.