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Finding the Fourth Proportional to 494.65, 737.49 and 481.83

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Solution

The fourth proportional to 494.65, 737.49 and 481.83 is: 718.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    494.65 : 737.49 = 481.83 : x
  2. Step 2: Convert to fraction form
    494.65/737.49 = 481.83/x
  3. Step 3: Cross multiply
    494.65x = 737.49 × 481.83
  4. Step 4: Simplify right side
    494.65x = 355,344.81
  5. Step 5: Solve for x
    x = 355,344.81/494.65
  6. Step 6: Final answer
    x = 718.38

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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.