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Finding the Fourth Proportional to 170.82, 234.27 and 165.51

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Solution

The fourth proportional to 170.82, 234.27 and 165.51 is: 226.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.82 : 234.27 = 165.51 : x
  2. Step 2: Convert to fraction form
    170.82/234.27 = 165.51/x
  3. Step 3: Cross multiply
    170.82x = 234.27 × 165.51
  4. Step 4: Simplify right side
    170.82x = 38,774.03
  5. Step 5: Solve for x
    x = 38,774.03/170.82
  6. Step 6: Final answer
    x = 226.99

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.