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Finding the Fourth Proportional to 273.26, 377.34 and 186.14

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Solution

The fourth proportional to 273.26, 377.34 and 186.14 is: 257.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.26 : 377.34 = 186.14 : x
  2. Step 2: Convert to fraction form
    273.26/377.34 = 186.14/x
  3. Step 3: Cross multiply
    273.26x = 377.34 × 186.14
  4. Step 4: Simplify right side
    273.26x = 70,238.07
  5. Step 5: Solve for x
    x = 70,238.07/273.26
  6. Step 6: Final answer
    x = 257.04

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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.