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Finding the Fourth Proportional to 236.46, 354.29 and 190.83

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Solution

The fourth proportional to 236.46, 354.29 and 190.83 is: 285.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.46 : 354.29 = 190.83 : x
  2. Step 2: Convert to fraction form
    236.46/354.29 = 190.83/x
  3. Step 3: Cross multiply
    236.46x = 354.29 × 190.83
  4. Step 4: Simplify right side
    236.46x = 67,608.21
  5. Step 5: Solve for x
    x = 67,608.21/236.46
  6. Step 6: Final answer
    x = 285.92

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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.