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Finding the Fourth Proportional to 493.33, 740.17 and 329.46

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Solution

The fourth proportional to 493.33, 740.17 and 329.46 is: 494.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    493.33 : 740.17 = 329.46 : x
  2. Step 2: Convert to fraction form
    493.33/740.17 = 329.46/x
  3. Step 3: Cross multiply
    493.33x = 740.17 × 329.46
  4. Step 4: Simplify right side
    493.33x = 243,856.41
  5. Step 5: Solve for x
    x = 243,856.41/493.33
  6. Step 6: Final answer
    x = 494.31

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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.