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Finding the Fourth Proportional to 849.96, 1,173.24 and 535.44

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Solution

The fourth proportional to 849.96, 1,173.24 and 535.44 is: 739.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    849.96 : 1,173.24 = 535.44 : x
  2. Step 2: Convert to fraction form
    849.96/1,173.24 = 535.44/x
  3. Step 3: Cross multiply
    849.96x = 1,173.24 × 535.44
  4. Step 4: Simplify right side
    849.96x = 628,199.63
  5. Step 5: Solve for x
    x = 628,199.63/849.96
  6. Step 6: Final answer
    x = 739.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.