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Finding the Fourth Proportional to 50.49, 75.44 and 44.33

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Solution

The fourth proportional to 50.49, 75.44 and 44.33 is: 66.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.49 : 75.44 = 44.33 : x
  2. Step 2: Convert to fraction form
    50.49/75.44 = 44.33/x
  3. Step 3: Cross multiply
    50.49x = 75.44 × 44.33
  4. Step 4: Simplify right side
    50.49x = 3,343.66
  5. Step 5: Solve for x
    x = 3,343.66/50.49
  6. Step 6: Final answer
    x = 66.22

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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.