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Finding the Fourth Proportional to 34.93, 52.37 and 16.91

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Solution

The fourth proportional to 34.93, 52.37 and 16.91 is: 25.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.93 : 52.37 = 16.91 : x
  2. Step 2: Convert to fraction form
    34.93/52.37 = 16.91/x
  3. Step 3: Cross multiply
    34.93x = 52.37 × 16.91
  4. Step 4: Simplify right side
    34.93x = 885.56
  5. Step 5: Solve for x
    x = 885.56/34.93
  6. Step 6: Final answer
    x = 25.35

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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.