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Finding the Fourth Proportional to 49.83, 74.44 and 44.11

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Solution

The fourth proportional to 49.83, 74.44 and 44.11 is: 65.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.83 : 74.44 = 44.11 : x
  2. Step 2: Convert to fraction form
    49.83/74.44 = 44.11/x
  3. Step 3: Cross multiply
    49.83x = 74.44 × 44.11
  4. Step 4: Simplify right side
    49.83x = 3,283.55
  5. Step 5: Solve for x
    x = 3,283.55/49.83
  6. Step 6: Final answer
    x = 65.90

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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.