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Finding the Fourth Proportional to 74.09, 110.95 and 33.44

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Solution

The fourth proportional to 74.09, 110.95 and 33.44 is: 50.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74.09 : 110.95 = 33.44 : x
  2. Step 2: Convert to fraction form
    74.09/110.95 = 33.44/x
  3. Step 3: Cross multiply
    74.09x = 110.95 × 33.44
  4. Step 4: Simplify right side
    74.09x = 3,709.53
  5. Step 5: Solve for x
    x = 3,709.53/74.09
  6. Step 6: Final answer
    x = 50.07

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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.