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Finding the Fourth Proportional to 43.77, 60.80 and 43.37

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Solution

The fourth proportional to 43.77, 60.80 and 43.37 is: 60.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.77 : 60.80 = 43.37 : x
  2. Step 2: Convert to fraction form
    43.77/60.80 = 43.37/x
  3. Step 3: Cross multiply
    43.77x = 60.80 × 43.37
  4. Step 4: Simplify right side
    43.77x = 2,636.38
  5. Step 5: Solve for x
    x = 2,636.38/43.77
  6. Step 6: Final answer
    x = 60.23

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.