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Finding the Fourth Proportional to 552.01, 827.09 and 369.45

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Solution

The fourth proportional to 552.01, 827.09 and 369.45 is: 553.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.01 : 827.09 = 369.45 : x
  2. Step 2: Convert to fraction form
    552.01/827.09 = 369.45/x
  3. Step 3: Cross multiply
    552.01x = 827.09 × 369.45
  4. Step 4: Simplify right side
    552.01x = 305,568.40
  5. Step 5: Solve for x
    x = 305,568.40/552.01
  6. Step 6: Final answer
    x = 553.56

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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.