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Finding the Fourth Proportional to 43.83, 60.48 and 38.43

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Solution

The fourth proportional to 43.83, 60.48 and 38.43 is: 53.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.83 : 60.48 = 38.43 : x
  2. Step 2: Convert to fraction form
    43.83/60.48 = 38.43/x
  3. Step 3: Cross multiply
    43.83x = 60.48 × 38.43
  4. Step 4: Simplify right side
    43.83x = 2,324.25
  5. Step 5: Solve for x
    x = 2,324.25/43.83
  6. Step 6: Final answer
    x = 53.03

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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.