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Finding the Fourth Proportional to 49.06, 67.34 and 43.48

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Solution

The fourth proportional to 49.06, 67.34 and 43.48 is: 59.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.06 : 67.34 = 43.48 : x
  2. Step 2: Convert to fraction form
    49.06/67.34 = 43.48/x
  3. Step 3: Cross multiply
    49.06x = 67.34 × 43.48
  4. Step 4: Simplify right side
    49.06x = 2,927.94
  5. Step 5: Solve for x
    x = 2,927.94/49.06
  6. Step 6: Final answer
    x = 59.68

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.