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Finding the Fourth Proportional to 534, 799.44 and 327.93

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Solution

The fourth proportional to 534, 799.44 and 327.93 is: 490.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    534 : 799.44 = 327.93 : x
  2. Step 2: Convert to fraction form
    534/799.44 = 327.93/x
  3. Step 3: Cross multiply
    534x = 799.44 × 327.93
  4. Step 4: Simplify right side
    534x = 262,160.36
  5. Step 5: Solve for x
    x = 262,160.36/534
  6. Step 6: Final answer
    x = 490.94

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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.