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Finding the Fourth Proportional to 43.96, 60.48 and 41.64

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Solution

The fourth proportional to 43.96, 60.48 and 41.64 is: 57.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.96 : 60.48 = 41.64 : x
  2. Step 2: Convert to fraction form
    43.96/60.48 = 41.64/x
  3. Step 3: Cross multiply
    43.96x = 60.48 × 41.64
  4. Step 4: Simplify right side
    43.96x = 2,518.39
  5. Step 5: Solve for x
    x = 2,518.39/43.96
  6. Step 6: Final answer
    x = 57.29

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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.