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Finding the Fourth Proportional to 482.04, 664.11 and 356.04

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Solution

The fourth proportional to 482.04, 664.11 and 356.04 is: 490.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.04 : 664.11 = 356.04 : x
  2. Step 2: Convert to fraction form
    482.04/664.11 = 356.04/x
  3. Step 3: Cross multiply
    482.04x = 664.11 × 356.04
  4. Step 4: Simplify right side
    482.04x = 236,449.72
  5. Step 5: Solve for x
    x = 236,449.72/482.04
  6. Step 6: Final answer
    x = 490.52

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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.