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Finding the Fourth Proportional to 415.89, 573.99 and 241.20

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Solution

The fourth proportional to 415.89, 573.99 and 241.20 is: 332.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    415.89 : 573.99 = 241.20 : x
  2. Step 2: Convert to fraction form
    415.89/573.99 = 241.20/x
  3. Step 3: Cross multiply
    415.89x = 573.99 × 241.20
  4. Step 4: Simplify right side
    415.89x = 138,446.39
  5. Step 5: Solve for x
    x = 138,446.39/415.89
  6. Step 6: Final answer
    x = 332.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.