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Finding the Fourth Proportional to 273.27, 376.04 and 261.12

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Solution

The fourth proportional to 273.27, 376.04 and 261.12 is: 359.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.27 : 376.04 = 261.12 : x
  2. Step 2: Convert to fraction form
    273.27/376.04 = 261.12/x
  3. Step 3: Cross multiply
    273.27x = 376.04 × 261.12
  4. Step 4: Simplify right side
    273.27x = 98,193.63
  5. Step 5: Solve for x
    x = 98,193.63/273.27
  6. Step 6: Final answer
    x = 359.32

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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.