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Finding the Fourth Proportional to 415.98, 573.67 and 333.09

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Solution

The fourth proportional to 415.98, 573.67 and 333.09 is: 459.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    415.98 : 573.67 = 333.09 : x
  2. Step 2: Convert to fraction form
    415.98/573.67 = 333.09/x
  3. Step 3: Cross multiply
    415.98x = 573.67 × 333.09
  4. Step 4: Simplify right side
    415.98x = 191,083.74
  5. Step 5: Solve for x
    x = 191,083.74/415.98
  6. Step 6: Final answer
    x = 459.36

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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.