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Finding the Fourth Proportional to 253.26, 349.80 and 241.98

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Solution

The fourth proportional to 253.26, 349.80 and 241.98 is: 334.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    253.26 : 349.80 = 241.98 : x
  2. Step 2: Convert to fraction form
    253.26/349.80 = 241.98/x
  3. Step 3: Cross multiply
    253.26x = 349.80 × 241.98
  4. Step 4: Simplify right side
    253.26x = 84,644.60
  5. Step 5: Solve for x
    x = 84,644.60/253.26
  6. Step 6: Final answer
    x = 334.22

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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.