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Finding the Fourth Proportional to 537.04, 805.39 and 331.30

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Solution

The fourth proportional to 537.04, 805.39 and 331.30 is: 496.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.04 : 805.39 = 331.30 : x
  2. Step 2: Convert to fraction form
    537.04/805.39 = 331.30/x
  3. Step 3: Cross multiply
    537.04x = 805.39 × 331.30
  4. Step 4: Simplify right side
    537.04x = 266,822.87
  5. Step 5: Solve for x
    x = 266,822.87/537.04
  6. Step 6: Final answer
    x = 496.84

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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.