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Finding the Fourth Proportional to 44.12, 65.90 and 33.94

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Solution

The fourth proportional to 44.12, 65.90 and 33.94 is: 50.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.12 : 65.90 = 33.94 : x
  2. Step 2: Convert to fraction form
    44.12/65.90 = 33.94/x
  3. Step 3: Cross multiply
    44.12x = 65.90 × 33.94
  4. Step 4: Simplify right side
    44.12x = 2,236.65
  5. Step 5: Solve for x
    x = 2,236.65/44.12
  6. Step 6: Final answer
    x = 50.69

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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.