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Finding the Fourth Proportional to 350.91, 483.89 and 263.61

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Solution

The fourth proportional to 350.91, 483.89 and 263.61 is: 363.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.91 : 483.89 = 263.61 : x
  2. Step 2: Convert to fraction form
    350.91/483.89 = 263.61/x
  3. Step 3: Cross multiply
    350.91x = 483.89 × 263.61
  4. Step 4: Simplify right side
    350.91x = 127,556.92
  5. Step 5: Solve for x
    x = 127,556.92/350.91
  6. Step 6: Final answer
    x = 363.50

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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.