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Finding the Fourth Proportional to 54.63, 75.26 and 44.91

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Solution

The fourth proportional to 54.63, 75.26 and 44.91 is: 61.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54.63 : 75.26 = 44.91 : x
  2. Step 2: Convert to fraction form
    54.63/75.26 = 44.91/x
  3. Step 3: Cross multiply
    54.63x = 75.26 × 44.91
  4. Step 4: Simplify right side
    54.63x = 3,380.04
  5. Step 5: Solve for x
    x = 3,380.04/54.63
  6. Step 6: Final answer
    x = 61.87

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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.