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Finding the Fourth Proportional to 613.08, 846.04 and 351.08

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Solution

The fourth proportional to 613.08, 846.04 and 351.08 is: 484.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    613.08 : 846.04 = 351.08 : x
  2. Step 2: Convert to fraction form
    613.08/846.04 = 351.08/x
  3. Step 3: Cross multiply
    613.08x = 846.04 × 351.08
  4. Step 4: Simplify right side
    613.08x = 297,025.97
  5. Step 5: Solve for x
    x = 297,025.97/613.08
  6. Step 6: Final answer
    x = 484.48

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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.