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Finding the Fourth Proportional to 534.36, 736.62 and 327

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Solution

The fourth proportional to 534.36, 736.62 and 327 is: 450.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.36 : 736.62 = 327 : x
  2. Step 2: Convert to fraction form
    534.36/736.62 = 327/x
  3. Step 3: Cross multiply
    534.36x = 736.62 × 327
  4. Step 4: Simplify right side
    534.36x = 240,874.74
  5. Step 5: Solve for x
    x = 240,874.74/534.36
  6. Step 6: Final answer
    x = 450.77

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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.