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Finding the Fourth Proportional to 291.98, 402.24 and 241.98

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Solution

The fourth proportional to 291.98, 402.24 and 241.98 is: 333.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    291.98 : 402.24 = 241.98 : x
  2. Step 2: Convert to fraction form
    291.98/402.24 = 241.98/x
  3. Step 3: Cross multiply
    291.98x = 402.24 × 241.98
  4. Step 4: Simplify right side
    291.98x = 97,334.04
  5. Step 5: Solve for x
    x = 97,334.04/291.98
  6. Step 6: Final answer
    x = 333.36

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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.