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Finding the Fourth Proportional to 370.96, 555.12 and 273.23

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Solution

The fourth proportional to 370.96, 555.12 and 273.23 is: 408.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.96 : 555.12 = 273.23 : x
  2. Step 2: Convert to fraction form
    370.96/555.12 = 273.23/x
  3. Step 3: Cross multiply
    370.96x = 555.12 × 273.23
  4. Step 4: Simplify right side
    370.96x = 151,672.66
  5. Step 5: Solve for x
    x = 151,672.66/370.96
  6. Step 6: Final answer
    x = 408.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.