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Finding the Fourth Proportional to 264.01, 395.56 and 161.08

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Solution

The fourth proportional to 264.01, 395.56 and 161.08 is: 241.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.01 : 395.56 = 161.08 : x
  2. Step 2: Convert to fraction form
    264.01/395.56 = 161.08/x
  3. Step 3: Cross multiply
    264.01x = 395.56 × 161.08
  4. Step 4: Simplify right side
    264.01x = 63,716.80
  5. Step 5: Solve for x
    x = 63,716.80/264.01
  6. Step 6: Final answer
    x = 241.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.