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Finding the Fourth Proportional to 193.98, 268.94 and 187.32

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Solution

The fourth proportional to 193.98, 268.94 and 187.32 is: 259.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.98 : 268.94 = 187.32 : x
  2. Step 2: Convert to fraction form
    193.98/268.94 = 187.32/x
  3. Step 3: Cross multiply
    193.98x = 268.94 × 187.32
  4. Step 4: Simplify right side
    193.98x = 50,377.84
  5. Step 5: Solve for x
    x = 50,377.84/193.98
  6. Step 6: Final answer
    x = 259.71

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.