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Finding the Fourth Proportional to 459.00, 633.37 and 281.97

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Solution

The fourth proportional to 459.00, 633.37 and 281.97 is: 389.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.00 : 633.37 = 281.97 : x
  2. Step 2: Convert to fraction form
    459.00/633.37 = 281.97/x
  3. Step 3: Cross multiply
    459.00x = 633.37 × 281.97
  4. Step 4: Simplify right side
    459.00x = 178,589.98
  5. Step 5: Solve for x
    x = 178,589.98/459.00
  6. Step 6: Final answer
    x = 389.09

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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.