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Finding the Fourth Proportional to 46.49, 63.78 and 44.19

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Solution

The fourth proportional to 46.49, 63.78 and 44.19 is: 60.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.49 : 63.78 = 44.19 : x
  2. Step 2: Convert to fraction form
    46.49/63.78 = 44.19/x
  3. Step 3: Cross multiply
    46.49x = 63.78 × 44.19
  4. Step 4: Simplify right side
    46.49x = 2,818.27
  5. Step 5: Solve for x
    x = 2,818.27/46.49
  6. Step 6: Final answer
    x = 60.63

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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.