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Finding the Fourth Proportional to 844.04, 1,266.44 and 535.81

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Solution

The fourth proportional to 844.04, 1,266.44 and 535.81 is: 803.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.04 : 1,266.44 = 535.81 : x
  2. Step 2: Convert to fraction form
    844.04/1,266.44 = 535.81/x
  3. Step 3: Cross multiply
    844.04x = 1,266.44 × 535.81
  4. Step 4: Simplify right side
    844.04x = 678,570.01
  5. Step 5: Solve for x
    x = 678,570.01/844.04
  6. Step 6: Final answer
    x = 803.96

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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.