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Finding the Fourth Proportional to 49.45, 68.25 and 44.01

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Solution

The fourth proportional to 49.45, 68.25 and 44.01 is: 60.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.45 : 68.25 = 44.01 : x
  2. Step 2: Convert to fraction form
    49.45/68.25 = 44.01/x
  3. Step 3: Cross multiply
    49.45x = 68.25 × 44.01
  4. Step 4: Simplify right side
    49.45x = 3,003.68
  5. Step 5: Solve for x
    x = 3,003.68/49.45
  6. Step 6: Final answer
    x = 60.74

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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.