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Finding the Fourth Proportional to 608.27, 912.51 and 197.39

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Solution

The fourth proportional to 608.27, 912.51 and 197.39 is: 296.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.27 : 912.51 = 197.39 : x
  2. Step 2: Convert to fraction form
    608.27/912.51 = 197.39/x
  3. Step 3: Cross multiply
    608.27x = 912.51 × 197.39
  4. Step 4: Simplify right side
    608.27x = 180,122.63
  5. Step 5: Solve for x
    x = 180,122.63/608.27
  6. Step 6: Final answer
    x = 296.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.