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Finding the Fourth Proportional to 736.01, 1,102.56 and 443.59

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Solution

The fourth proportional to 736.01, 1,102.56 and 443.59 is: 664.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.01 : 1,102.56 = 443.59 : x
  2. Step 2: Convert to fraction form
    736.01/1,102.56 = 443.59/x
  3. Step 3: Cross multiply
    736.01x = 1,102.56 × 443.59
  4. Step 4: Simplify right side
    736.01x = 489,084.59
  5. Step 5: Solve for x
    x = 489,084.59/736.01
  6. Step 6: Final answer
    x = 664.51

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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.