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Finding the Fourth Proportional to 273.22, 376.57 and 234.34

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Solution

The fourth proportional to 273.22, 376.57 and 234.34 is: 322.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.22 : 376.57 = 234.34 : x
  2. Step 2: Convert to fraction form
    273.22/376.57 = 234.34/x
  3. Step 3: Cross multiply
    273.22x = 376.57 × 234.34
  4. Step 4: Simplify right side
    273.22x = 88,247.54
  5. Step 5: Solve for x
    x = 88,247.54/273.22
  6. Step 6: Final answer
    x = 322.99

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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.