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Finding the Fourth Proportional to 733.22, 1,098.88 and 300.14

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Solution

The fourth proportional to 733.22, 1,098.88 and 300.14 is: 449.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.22 : 1,098.88 = 300.14 : x
  2. Step 2: Convert to fraction form
    733.22/1,098.88 = 300.14/x
  3. Step 3: Cross multiply
    733.22x = 1,098.88 × 300.14
  4. Step 4: Simplify right side
    733.22x = 329,817.84
  5. Step 5: Solve for x
    x = 329,817.84/733.22
  6. Step 6: Final answer
    x = 449.82

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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.