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Finding the Fourth Proportional to 170.00, 234.60 and 92.38

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Solution

The fourth proportional to 170.00, 234.60 and 92.38 is: 127.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.00 : 234.60 = 92.38 : x
  2. Step 2: Convert to fraction form
    170.00/234.60 = 92.38/x
  3. Step 3: Cross multiply
    170.00x = 234.60 × 92.38
  4. Step 4: Simplify right side
    170.00x = 21,671.65
  5. Step 5: Solve for x
    x = 21,671.65/170.00
  6. Step 6: Final answer
    x = 127.48

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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.