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Finding the Fourth Proportional to 350.00, 525.20 and 331.23

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Solution

The fourth proportional to 350.00, 525.20 and 331.23 is: 497.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.00 : 525.20 = 331.23 : x
  2. Step 2: Convert to fraction form
    350.00/525.20 = 331.23/x
  3. Step 3: Cross multiply
    350.00x = 525.20 × 331.23
  4. Step 4: Simplify right side
    350.00x = 173,960.34
  5. Step 5: Solve for x
    x = 173,960.34/350.00
  6. Step 6: Final answer
    x = 497.04

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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.