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Finding the Fourth Proportional to 45.67, 63.35 and 44.05

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Solution

The fourth proportional to 45.67, 63.35 and 44.05 is: 61.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.67 : 63.35 = 44.05 : x
  2. Step 2: Convert to fraction form
    45.67/63.35 = 44.05/x
  3. Step 3: Cross multiply
    45.67x = 63.35 × 44.05
  4. Step 4: Simplify right side
    45.67x = 2,790.57
  5. Step 5: Solve for x
    x = 2,790.57/45.67
  6. Step 6: Final answer
    x = 61.10

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.