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Finding the Fourth Proportional to 46.46, 63.90 and 43.83

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Solution

The fourth proportional to 46.46, 63.90 and 43.83 is: 60.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.46 : 63.90 = 43.83 : x
  2. Step 2: Convert to fraction form
    46.46/63.90 = 43.83/x
  3. Step 3: Cross multiply
    46.46x = 63.90 × 43.83
  4. Step 4: Simplify right side
    46.46x = 2,800.74
  5. Step 5: Solve for x
    x = 2,800.74/46.46
  6. Step 6: Final answer
    x = 60.29

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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.