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Finding the Fourth Proportional to 273.48, 377.34 and 163.00

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Solution

The fourth proportional to 273.48, 377.34 and 163.00 is: 224.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.48 : 377.34 = 163.00 : x
  2. Step 2: Convert to fraction form
    273.48/377.34 = 163.00/x
  3. Step 3: Cross multiply
    273.48x = 377.34 × 163.00
  4. Step 4: Simplify right side
    273.48x = 61,505.48
  5. Step 5: Solve for x
    x = 61,505.48/273.48
  6. Step 6: Final answer
    x = 224.90

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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.