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Finding the Fourth Proportional to 195.76, 291.47 and 183.88

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Solution

The fourth proportional to 195.76, 291.47 and 183.88 is: 273.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.76 : 291.47 = 183.88 : x
  2. Step 2: Convert to fraction form
    195.76/291.47 = 183.88/x
  3. Step 3: Cross multiply
    195.76x = 291.47 × 183.88
  4. Step 4: Simplify right side
    195.76x = 53,595.50
  5. Step 5: Solve for x
    x = 53,595.50/195.76
  6. Step 6: Final answer
    x = 273.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.