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Finding the Fourth Proportional to 482.73, 666 and 296.08

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Solution

The fourth proportional to 482.73, 666 and 296.08 is: 408.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.73 : 666 = 296.08 : x
  2. Step 2: Convert to fraction form
    482.73/666 = 296.08/x
  3. Step 3: Cross multiply
    482.73x = 666 × 296.08
  4. Step 4: Simplify right side
    482.73x = 197,187.62
  5. Step 5: Solve for x
    x = 197,187.62/482.73
  6. Step 6: Final answer
    x = 408.48

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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.