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Finding the Fourth Proportional to 906.62, 1,357.53 and 733.94

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Solution

The fourth proportional to 906.62, 1,357.53 and 733.94 is: 1,098.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    906.62 : 1,357.53 = 733.94 : x
  2. Step 2: Convert to fraction form
    906.62/1,357.53 = 733.94/x
  3. Step 3: Cross multiply
    906.62x = 1,357.53 × 733.94
  4. Step 4: Simplify right side
    906.62x = 996,343.49
  5. Step 5: Solve for x
    x = 996,343.49/906.62
  6. Step 6: Final answer
    x = 1,098.97

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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.