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Finding the Fourth Proportional to 257.55, 354.67 and 241.08

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Solution

The fourth proportional to 257.55, 354.67 and 241.08 is: 331.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    257.55 : 354.67 = 241.08 : x
  2. Step 2: Convert to fraction form
    257.55/354.67 = 241.08/x
  3. Step 3: Cross multiply
    257.55x = 354.67 × 241.08
  4. Step 4: Simplify right side
    257.55x = 85,503.84
  5. Step 5: Solve for x
    x = 85,503.84/257.55
  6. Step 6: Final answer
    x = 331.99

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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.