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Finding the Fourth Proportional to 665.07, 996.37 and 335.62

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Solution

The fourth proportional to 665.07, 996.37 and 335.62 is: 502.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    665.07 : 996.37 = 335.62 : x
  2. Step 2: Convert to fraction form
    665.07/996.37 = 335.62/x
  3. Step 3: Cross multiply
    665.07x = 996.37 × 335.62
  4. Step 4: Simplify right side
    665.07x = 334,401.70
  5. Step 5: Solve for x
    x = 334,401.70/665.07
  6. Step 6: Final answer
    x = 502.81

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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.