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Finding the Fourth Proportional to 170.93, 235.91 and 134.25

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Solution

The fourth proportional to 170.93, 235.91 and 134.25 is: 185.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.93 : 235.91 = 134.25 : x
  2. Step 2: Convert to fraction form
    170.93/235.91 = 134.25/x
  3. Step 3: Cross multiply
    170.93x = 235.91 × 134.25
  4. Step 4: Simplify right side
    170.93x = 31,671.25
  5. Step 5: Solve for x
    x = 31,671.25/170.93
  6. Step 6: Final answer
    x = 185.29

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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.