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Finding the Fourth Proportional to 534.37, 801.48 and 328.83

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Solution

The fourth proportional to 534.37, 801.48 and 328.83 is: 493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.37 : 801.48 = 328.83 : x
  2. Step 2: Convert to fraction form
    534.37/801.48 = 328.83/x
  3. Step 3: Cross multiply
    534.37x = 801.48 × 328.83
  4. Step 4: Simplify right side
    534.37x = 263,551.44
  5. Step 5: Solve for x
    x = 263,551.44/534.37
  6. Step 6: Final answer
    x = 493.20

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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.