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Finding the Fourth Proportional to 193.03, 288.79 and 181.69

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Solution

The fourth proportional to 193.03, 288.79 and 181.69 is: 271.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.03 : 288.79 = 181.69 : x
  2. Step 2: Convert to fraction form
    193.03/288.79 = 181.69/x
  3. Step 3: Cross multiply
    193.03x = 288.79 × 181.69
  4. Step 4: Simplify right side
    193.03x = 52,470.26
  5. Step 5: Solve for x
    x = 52,470.26/193.03
  6. Step 6: Final answer
    x = 271.82

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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.