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Finding the Fourth Proportional to 733.58, 1,099.60 and 271.07

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Solution

The fourth proportional to 733.58, 1,099.60 and 271.07 is: 406.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.58 : 1,099.60 = 271.07 : x
  2. Step 2: Convert to fraction form
    733.58/1,099.60 = 271.07/x
  3. Step 3: Cross multiply
    733.58x = 1,099.60 × 271.07
  4. Step 4: Simplify right side
    733.58x = 298,063.07
  5. Step 5: Solve for x
    x = 298,063.07/733.58
  6. Step 6: Final answer
    x = 406.31

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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.