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Finding the Fourth Proportional to 46.15, 63.62 and 36.43

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Solution

The fourth proportional to 46.15, 63.62 and 36.43 is: 50.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.15 : 63.62 = 36.43 : x
  2. Step 2: Convert to fraction form
    46.15/63.62 = 36.43/x
  3. Step 3: Cross multiply
    46.15x = 63.62 × 36.43
  4. Step 4: Simplify right side
    46.15x = 2,317.49
  5. Step 5: Solve for x
    x = 2,317.49/46.15
  6. Step 6: Final answer
    x = 50.22

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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.