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Finding the Fourth Proportional to 350.96, 523.74 and 308.30

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Solution

The fourth proportional to 350.96, 523.74 and 308.30 is: 460.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.96 : 523.74 = 308.30 : x
  2. Step 2: Convert to fraction form
    350.96/523.74 = 308.30/x
  3. Step 3: Cross multiply
    350.96x = 523.74 × 308.30
  4. Step 4: Simplify right side
    350.96x = 161,467.50
  5. Step 5: Solve for x
    x = 161,467.50/350.96
  6. Step 6: Final answer
    x = 460.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.