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Finding the Fourth Proportional to 57.95, 79.94 and 44.81

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Solution

The fourth proportional to 57.95, 79.94 and 44.81 is: 61.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57.95 : 79.94 = 44.81 : x
  2. Step 2: Convert to fraction form
    57.95/79.94 = 44.81/x
  3. Step 3: Cross multiply
    57.95x = 79.94 × 44.81
  4. Step 4: Simplify right side
    57.95x = 3,581.82
  5. Step 5: Solve for x
    x = 3,581.82/57.95
  6. Step 6: Final answer
    x = 61.81

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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.