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Finding the Fourth Proportional to 273.42, 374.85 and 268.56

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Solution

The fourth proportional to 273.42, 374.85 and 268.56 is: 368.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.42 : 374.85 = 268.56 : x
  2. Step 2: Convert to fraction form
    273.42/374.85 = 268.56/x
  3. Step 3: Cross multiply
    273.42x = 374.85 × 268.56
  4. Step 4: Simplify right side
    273.42x = 100,669.72
  5. Step 5: Solve for x
    x = 100,669.72/273.42
  6. Step 6: Final answer
    x = 368.19

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.