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Finding the Fourth Proportional to 41.63, 57.43 and 33.85

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Solution

The fourth proportional to 41.63, 57.43 and 33.85 is: 46.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.63 : 57.43 = 33.85 : x
  2. Step 2: Convert to fraction form
    41.63/57.43 = 33.85/x
  3. Step 3: Cross multiply
    41.63x = 57.43 × 33.85
  4. Step 4: Simplify right side
    41.63x = 1,944.01
  5. Step 5: Solve for x
    x = 1,944.01/41.63
  6. Step 6: Final answer
    x = 46.70

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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.