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Finding the Fourth Proportional to 49.06, 67.55 and 44.50

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Solution

The fourth proportional to 49.06, 67.55 and 44.50 is: 61.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.06 : 67.55 = 44.50 : x
  2. Step 2: Convert to fraction form
    49.06/67.55 = 44.50/x
  3. Step 3: Cross multiply
    49.06x = 67.55 × 44.50
  4. Step 4: Simplify right side
    49.06x = 3,005.77
  5. Step 5: Solve for x
    x = 3,005.77/49.06
  6. Step 6: Final answer
    x = 61.27

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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.