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Finding the Fourth Proportional to 844.03, 1,264.99 and 453.06

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Solution

The fourth proportional to 844.03, 1,264.99 and 453.06 is: 679.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.03 : 1,264.99 = 453.06 : x
  2. Step 2: Convert to fraction form
    844.03/1,264.99 = 453.06/x
  3. Step 3: Cross multiply
    844.03x = 1,264.99 × 453.06
  4. Step 4: Simplify right side
    844.03x = 573,116.37
  5. Step 5: Solve for x
    x = 573,116.37/844.03
  6. Step 6: Final answer
    x = 679.02

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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.