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Finding the Fourth Proportional to 46.06, 69.12 and 24.42

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Solution

The fourth proportional to 46.06, 69.12 and 24.42 is: 36.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.06 : 69.12 = 24.42 : x
  2. Step 2: Convert to fraction form
    46.06/69.12 = 24.42/x
  3. Step 3: Cross multiply
    46.06x = 69.12 × 24.42
  4. Step 4: Simplify right side
    46.06x = 1,687.91
  5. Step 5: Solve for x
    x = 1,687.91/46.06
  6. Step 6: Final answer
    x = 36.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.