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Finding the Fourth Proportional to 46.21, 63.71 and 32.39

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Solution

The fourth proportional to 46.21, 63.71 and 32.39 is: 44.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.21 : 63.71 = 32.39 : x
  2. Step 2: Convert to fraction form
    46.21/63.71 = 32.39/x
  3. Step 3: Cross multiply
    46.21x = 63.71 × 32.39
  4. Step 4: Simplify right side
    46.21x = 2,063.45
  5. Step 5: Solve for x
    x = 2,063.45/46.21
  6. Step 6: Final answer
    x = 44.66

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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.