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Finding the Fourth Proportional to 43.89, 60.63 and 33.57

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Solution

The fourth proportional to 43.89, 60.63 and 33.57 is: 46.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.89 : 60.63 = 33.57 : x
  2. Step 2: Convert to fraction form
    43.89/60.63 = 33.57/x
  3. Step 3: Cross multiply
    43.89x = 60.63 × 33.57
  4. Step 4: Simplify right side
    43.89x = 2,035.05
  5. Step 5: Solve for x
    x = 2,035.05/43.89
  6. Step 6: Final answer
    x = 46.37

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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.