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Finding the Fourth Proportional to 445.01, 613.89 and 333.23

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Solution

The fourth proportional to 445.01, 613.89 and 333.23 is: 459.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    445.01 : 613.89 = 333.23 : x
  2. Step 2: Convert to fraction form
    445.01/613.89 = 333.23/x
  3. Step 3: Cross multiply
    445.01x = 613.89 × 333.23
  4. Step 4: Simplify right side
    445.01x = 204,563.50
  5. Step 5: Solve for x
    x = 204,563.50/445.01
  6. Step 6: Final answer
    x = 459.69

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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.