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Finding the Fourth Proportional to 482.46, 665.33 and 350.54

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Solution

The fourth proportional to 482.46, 665.33 and 350.54 is: 483.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.46 : 665.33 = 350.54 : x
  2. Step 2: Convert to fraction form
    482.46/665.33 = 350.54/x
  3. Step 3: Cross multiply
    482.46x = 665.33 × 350.54
  4. Step 4: Simplify right side
    482.46x = 233,227.91
  5. Step 5: Solve for x
    x = 233,227.91/482.46
  6. Step 6: Final answer
    x = 483.42

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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.