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Finding the Fourth Proportional to 447.83, 618.01 and 335.60

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Solution

The fourth proportional to 447.83, 618.01 and 335.60 is: 463.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    447.83 : 618.01 = 335.60 : x
  2. Step 2: Convert to fraction form
    447.83/618.01 = 335.60/x
  3. Step 3: Cross multiply
    447.83x = 618.01 × 335.60
  4. Step 4: Simplify right side
    447.83x = 207,399.39
  5. Step 5: Solve for x
    x = 207,399.39/447.83
  6. Step 6: Final answer
    x = 463.13

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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.