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Finding the Fourth Proportional to 50.08, 74.71 and 44.95

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Solution

The fourth proportional to 50.08, 74.71 and 44.95 is: 67.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.08 : 74.71 = 44.95 : x
  2. Step 2: Convert to fraction form
    50.08/74.71 = 44.95/x
  3. Step 3: Cross multiply
    50.08x = 74.71 × 44.95
  4. Step 4: Simplify right side
    50.08x = 3,358.21
  5. Step 5: Solve for x
    x = 3,358.21/50.08
  6. Step 6: Final answer
    x = 67.06

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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.