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Finding the Fourth Proportional to 735.93, 1,096.29 and 691.11

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Solution

The fourth proportional to 735.93, 1,096.29 and 691.11 is: 1,029.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.93 : 1,096.29 = 691.11 : x
  2. Step 2: Convert to fraction form
    735.93/1,096.29 = 691.11/x
  3. Step 3: Cross multiply
    735.93x = 1,096.29 × 691.11
  4. Step 4: Simplify right side
    735.93x = 757,656.98
  5. Step 5: Solve for x
    x = 757,656.98/735.93
  6. Step 6: Final answer
    x = 1,029.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.