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Finding the Fourth Proportional to 614.50, 848.04 and 348.97

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Solution

The fourth proportional to 614.50, 848.04 and 348.97 is: 481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.50 : 848.04 = 348.97 : x
  2. Step 2: Convert to fraction form
    614.50/848.04 = 348.97/x
  3. Step 3: Cross multiply
    614.50x = 848.04 × 348.97
  4. Step 4: Simplify right side
    614.50x = 295,940.52
  5. Step 5: Solve for x
    x = 295,940.52/614.50
  6. Step 6: Final answer
    x = 481.60

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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.