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Finding the Fourth Proportional to 844.00, 1,266.52 and 534.75

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Solution

The fourth proportional to 844.00, 1,266.52 and 534.75 is: 802.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.00 : 1,266.52 = 534.75 : x
  2. Step 2: Convert to fraction form
    844.00/1,266.52 = 534.75/x
  3. Step 3: Cross multiply
    844.00x = 1,266.52 × 534.75
  4. Step 4: Simplify right side
    844.00x = 677,265.48
  5. Step 5: Solve for x
    x = 677,265.48/844.00
  6. Step 6: Final answer
    x = 802.45

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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.