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Finding the Fourth Proportional to 241.02, 360.72 and 221.04

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Solution

The fourth proportional to 241.02, 360.72 and 221.04 is: 330.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.02 : 360.72 = 221.04 : x
  2. Step 2: Convert to fraction form
    241.02/360.72 = 221.04/x
  3. Step 3: Cross multiply
    241.02x = 360.72 × 221.04
  4. Step 4: Simplify right side
    241.02x = 79,733.55
  5. Step 5: Solve for x
    x = 79,733.55/241.02
  6. Step 6: Final answer
    x = 330.82

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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.