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Finding the Fourth Proportional to 273.70, 377.22 and 190.54

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Solution

The fourth proportional to 273.70, 377.22 and 190.54 is: 262.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.70 : 377.22 = 190.54 : x
  2. Step 2: Convert to fraction form
    273.70/377.22 = 190.54/x
  3. Step 3: Cross multiply
    273.70x = 377.22 × 190.54
  4. Step 4: Simplify right side
    273.70x = 71,875.50
  5. Step 5: Solve for x
    x = 71,875.50/273.70
  6. Step 6: Final answer
    x = 262.61

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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.