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Finding the Fourth Proportional to 191.54, 286.97 and 184.43

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Solution

The fourth proportional to 191.54, 286.97 and 184.43 is: 276.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    191.54 : 286.97 = 184.43 : x
  2. Step 2: Convert to fraction form
    191.54/286.97 = 184.43/x
  3. Step 3: Cross multiply
    191.54x = 286.97 × 184.43
  4. Step 4: Simplify right side
    191.54x = 52,923.52
  5. Step 5: Solve for x
    x = 52,923.52/191.54
  6. Step 6: Final answer
    x = 276.31

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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.