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Finding the Fourth Proportional to 195.86, 270.06 and 183.98

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Solution

The fourth proportional to 195.86, 270.06 and 183.98 is: 253.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.86 : 270.06 = 183.98 : x
  2. Step 2: Convert to fraction form
    195.86/270.06 = 183.98/x
  3. Step 3: Cross multiply
    195.86x = 270.06 × 183.98
  4. Step 4: Simplify right side
    195.86x = 49,685.64
  5. Step 5: Solve for x
    x = 49,685.64/195.86
  6. Step 6: Final answer
    x = 253.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.