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Finding the Fourth Proportional to 45.06, 62.07 and 43.91

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Solution

The fourth proportional to 45.06, 62.07 and 43.91 is: 60.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.06 : 62.07 = 43.91 : x
  2. Step 2: Convert to fraction form
    45.06/62.07 = 43.91/x
  3. Step 3: Cross multiply
    45.06x = 62.07 × 43.91
  4. Step 4: Simplify right side
    45.06x = 2,725.25
  5. Step 5: Solve for x
    x = 2,725.25/45.06
  6. Step 6: Final answer
    x = 60.49

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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.