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Finding the Fourth Proportional to 498.15, 687.24 and 350.73

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Solution

The fourth proportional to 498.15, 687.24 and 350.73 is: 483.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    498.15 : 687.24 = 350.73 : x
  2. Step 2: Convert to fraction form
    498.15/687.24 = 350.73/x
  3. Step 3: Cross multiply
    498.15x = 687.24 × 350.73
  4. Step 4: Simplify right side
    498.15x = 241,035.69
  5. Step 5: Solve for x
    x = 241,035.69/498.15
  6. Step 6: Final answer
    x = 483.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.