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Finding the Fourth Proportional to 34.55, 51.69 and 24.43

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Solution

The fourth proportional to 34.55, 51.69 and 24.43 is: 36.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.55 : 51.69 = 24.43 : x
  2. Step 2: Convert to fraction form
    34.55/51.69 = 24.43/x
  3. Step 3: Cross multiply
    34.55x = 51.69 × 24.43
  4. Step 4: Simplify right side
    34.55x = 1,262.79
  5. Step 5: Solve for x
    x = 1,262.79/34.55
  6. Step 6: Final answer
    x = 36.55

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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.