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Finding the Fourth Proportional to 370.06, 553.98 and 273.94

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Solution

The fourth proportional to 370.06, 553.98 and 273.94 is: 410.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.06 : 553.98 = 273.94 : x
  2. Step 2: Convert to fraction form
    370.06/553.98 = 273.94/x
  3. Step 3: Cross multiply
    370.06x = 553.98 × 273.94
  4. Step 4: Simplify right side
    370.06x = 151,757.28
  5. Step 5: Solve for x
    x = 151,757.28/370.06
  6. Step 6: Final answer
    x = 410.09

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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.