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Finding the Fourth Proportional to 736.76, 1,105.01 and 696.09

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Solution

The fourth proportional to 736.76, 1,105.01 and 696.09 is: 1,044.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.76 : 1,105.01 = 696.09 : x
  2. Step 2: Convert to fraction form
    736.76/1,105.01 = 696.09/x
  3. Step 3: Cross multiply
    736.76x = 1,105.01 × 696.09
  4. Step 4: Simplify right side
    736.76x = 769,193.60
  5. Step 5: Solve for x
    x = 769,193.60/736.76
  6. Step 6: Final answer
    x = 1,044.03

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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.