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Finding the Fourth Proportional to 480.48, 662.73 and 333.18

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Solution

The fourth proportional to 480.48, 662.73 and 333.18 is: 459.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    480.48 : 662.73 = 333.18 : x
  2. Step 2: Convert to fraction form
    480.48/662.73 = 333.18/x
  3. Step 3: Cross multiply
    480.48x = 662.73 × 333.18
  4. Step 4: Simplify right side
    480.48x = 220,808.38
  5. Step 5: Solve for x
    x = 220,808.38/480.48
  6. Step 6: Final answer
    x = 459.56

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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.