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Finding the Fourth Proportional to 49.48, 73.81 and 44.92

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Solution

The fourth proportional to 49.48, 73.81 and 44.92 is: 67.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.48 : 73.81 = 44.92 : x
  2. Step 2: Convert to fraction form
    49.48/73.81 = 44.92/x
  3. Step 3: Cross multiply
    49.48x = 73.81 × 44.92
  4. Step 4: Simplify right side
    49.48x = 3,315.55
  5. Step 5: Solve for x
    x = 3,315.55/49.48
  6. Step 6: Final answer
    x = 67.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.