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Finding the Fourth Proportional to 584.71, 806.87 and 348.68

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Solution

The fourth proportional to 584.71, 806.87 and 348.68 is: 481.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.71 : 806.87 = 348.68 : x
  2. Step 2: Convert to fraction form
    584.71/806.87 = 348.68/x
  3. Step 3: Cross multiply
    584.71x = 806.87 × 348.68
  4. Step 4: Simplify right side
    584.71x = 281,339.43
  5. Step 5: Solve for x
    x = 281,339.43/584.71
  6. Step 6: Final answer
    x = 481.16

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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.