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Finding the Fourth Proportional to 482.18, 664.97 and 350.96

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Solution

The fourth proportional to 482.18, 664.97 and 350.96 is: 484.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.18 : 664.97 = 350.96 : x
  2. Step 2: Convert to fraction form
    482.18/664.97 = 350.96/x
  3. Step 3: Cross multiply
    482.18x = 664.97 × 350.96
  4. Step 4: Simplify right side
    482.18x = 233,372.79
  5. Step 5: Solve for x
    x = 233,372.79/482.18
  6. Step 6: Final answer
    x = 484.00

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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.