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Finding the Fourth Proportional to 485.33, 727.39 and 241.32

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Solution

The fourth proportional to 485.33, 727.39 and 241.32 is: 361.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    485.33 : 727.39 = 241.32 : x
  2. Step 2: Convert to fraction form
    485.33/727.39 = 241.32/x
  3. Step 3: Cross multiply
    485.33x = 727.39 × 241.32
  4. Step 4: Simplify right side
    485.33x = 175,533.75
  5. Step 5: Solve for x
    x = 175,533.75/485.33
  6. Step 6: Final answer
    x = 361.68

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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.