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Finding the Fourth Proportional to 493.90, 736.37 and 481.08

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Solution

The fourth proportional to 493.90, 736.37 and 481.08 is: 717.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    493.90 : 736.37 = 481.08 : x
  2. Step 2: Convert to fraction form
    493.90/736.37 = 481.08/x
  3. Step 3: Cross multiply
    493.90x = 736.37 × 481.08
  4. Step 4: Simplify right side
    493.90x = 354,252.88
  5. Step 5: Solve for x
    x = 354,252.88/493.90
  6. Step 6: Final answer
    x = 717.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.