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Finding the Fourth Proportional to 236.71, 354.66 and 191.08

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Solution

The fourth proportional to 236.71, 354.66 and 191.08 is: 286.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.71 : 354.66 = 191.08 : x
  2. Step 2: Convert to fraction form
    236.71/354.66 = 191.08/x
  3. Step 3: Cross multiply
    236.71x = 354.66 × 191.08
  4. Step 4: Simplify right side
    236.71x = 67,768.43
  5. Step 5: Solve for x
    x = 67,768.43/236.71
  6. Step 6: Final answer
    x = 286.29

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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.