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Finding the Fourth Proportional to 191.88, 283.80 and 191.88

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Solution

The fourth proportional to 191.88, 283.80 and 191.88 is: 283.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191.88 : 283.80 = 191.88 : x
  2. Step 2: Convert to fraction form
    191.88/283.80 = 191.88/x
  3. Step 3: Cross multiply
    191.88x = 283.80 × 191.88
  4. Step 4: Simplify right side
    191.88x = 54,455.54
  5. Step 5: Solve for x
    x = 54,455.54/191.88
  6. Step 6: Final answer
    x = 283.80

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.