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Finding the Fourth Proportional to 665.93, 998.29 and 232.85

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Solution

The fourth proportional to 665.93, 998.29 and 232.85 is: 349.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    665.93 : 998.29 = 232.85 : x
  2. Step 2: Convert to fraction form
    665.93/998.29 = 232.85/x
  3. Step 3: Cross multiply
    665.93x = 998.29 × 232.85
  4. Step 4: Simplify right side
    665.93x = 232,453.74
  5. Step 5: Solve for x
    x = 232,453.74/665.93
  6. Step 6: Final answer
    x = 349.07

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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.