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Finding the Fourth Proportional to 534.50, 800.39 and 452.49

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Solution

The fourth proportional to 534.50, 800.39 and 452.49 is: 677.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.50 : 800.39 = 452.49 : x
  2. Step 2: Convert to fraction form
    534.50/800.39 = 452.49/x
  3. Step 3: Cross multiply
    534.50x = 800.39 × 452.49
  4. Step 4: Simplify right side
    534.50x = 362,169.60
  5. Step 5: Solve for x
    x = 362,169.60/534.50
  6. Step 6: Final answer
    x = 677.58

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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.