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Finding the Fourth Proportional to 735.04, 1,101.48 and 681.04

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Solution

The fourth proportional to 735.04, 1,101.48 and 681.04 is: 1,020.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.04 : 1,101.48 = 681.04 : x
  2. Step 2: Convert to fraction form
    735.04/1,101.48 = 681.04/x
  3. Step 3: Cross multiply
    735.04x = 1,101.48 × 681.04
  4. Step 4: Simplify right side
    735.04x = 750,151.94
  5. Step 5: Solve for x
    x = 750,151.94/735.04
  6. Step 6: Final answer
    x = 1,020.56

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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.