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Finding the Fourth Proportional to 534.56, 801.41 and 359.05

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Solution

The fourth proportional to 534.56, 801.41 and 359.05 is: 538.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.56 : 801.41 = 359.05 : x
  2. Step 2: Convert to fraction form
    534.56/801.41 = 359.05/x
  3. Step 3: Cross multiply
    534.56x = 801.41 × 359.05
  4. Step 4: Simplify right side
    534.56x = 287,745.15
  5. Step 5: Solve for x
    x = 287,745.15/534.56
  6. Step 6: Final answer
    x = 538.28

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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.