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Finding the Fourth Proportional to 236.59, 354.47 and 190.96

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Solution

The fourth proportional to 236.59, 354.47 and 190.96 is: 286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.59 : 354.47 = 190.96 : x
  2. Step 2: Convert to fraction form
    236.59/354.47 = 190.96/x
  3. Step 3: Cross multiply
    236.59x = 354.47 × 190.96
  4. Step 4: Simplify right side
    236.59x = 67,687.82
  5. Step 5: Solve for x
    x = 67,687.82/236.59
  6. Step 6: Final answer
    x = 286.10

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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.