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Finding the Fourth Proportional to 485.17, 727.30 and 241.46

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Solution

The fourth proportional to 485.17, 727.30 and 241.46 is: 361.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    485.17 : 727.30 = 241.46 : x
  2. Step 2: Convert to fraction form
    485.17/727.30 = 241.46/x
  3. Step 3: Cross multiply
    485.17x = 727.30 × 241.46
  4. Step 4: Simplify right side
    485.17x = 175,613.86
  5. Step 5: Solve for x
    x = 175,613.86/485.17
  6. Step 6: Final answer
    x = 361.96

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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.