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Finding the Fourth Proportional to 46, 63.28 and 44.20

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Solution

The fourth proportional to 46, 63.28 and 44.20 is: 60.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46 : 63.28 = 44.20 : x
  2. Step 2: Convert to fraction form
    46/63.28 = 44.20/x
  3. Step 3: Cross multiply
    46x = 63.28 × 44.20
  4. Step 4: Simplify right side
    46x = 2,796.98
  5. Step 5: Solve for x
    x = 2,796.98/46
  6. Step 6: Final answer
    x = 60.80

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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.