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Finding the Fourth Proportional to 493.83, 740.73 and 169.41

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Solution

The fourth proportional to 493.83, 740.73 and 169.41 is: 254.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    493.83 : 740.73 = 169.41 : x
  2. Step 2: Convert to fraction form
    493.83/740.73 = 169.41/x
  3. Step 3: Cross multiply
    493.83x = 740.73 × 169.41
  4. Step 4: Simplify right side
    493.83x = 125,487.07
  5. Step 5: Solve for x
    x = 125,487.07/493.83
  6. Step 6: Final answer
    x = 254.11

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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.