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Finding the Fourth Proportional to 662.49, 993.74 and 369.27

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Solution

The fourth proportional to 662.49, 993.74 and 369.27 is: 553.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    662.49 : 993.74 = 369.27 : x
  2. Step 2: Convert to fraction form
    662.49/993.74 = 369.27/x
  3. Step 3: Cross multiply
    662.49x = 993.74 × 369.27
  4. Step 4: Simplify right side
    662.49x = 366,956.52
  5. Step 5: Solve for x
    x = 366,956.52/662.49
  6. Step 6: Final answer
    x = 553.91

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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.