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Finding the Fourth Proportional to 614.25, 847.73 and 352.22

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Solution

The fourth proportional to 614.25, 847.73 and 352.22 is: 486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.25 : 847.73 = 352.22 : x
  2. Step 2: Convert to fraction form
    614.25/847.73 = 352.22/x
  3. Step 3: Cross multiply
    614.25x = 847.73 × 352.22
  4. Step 4: Simplify right side
    614.25x = 298,584.10
  5. Step 5: Solve for x
    x = 298,584.10/614.25
  6. Step 6: Final answer
    x = 486.10

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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.