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Finding the Fourth Proportional to 170.71, 236.57 and 167.47

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Solution

The fourth proportional to 170.71, 236.57 and 167.47 is: 232.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.71 : 236.57 = 167.47 : x
  2. Step 2: Convert to fraction form
    170.71/236.57 = 167.47/x
  3. Step 3: Cross multiply
    170.71x = 236.57 × 167.47
  4. Step 4: Simplify right side
    170.71x = 39,618.38
  5. Step 5: Solve for x
    x = 39,618.38/170.71
  6. Step 6: Final answer
    x = 232.08

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.