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Finding the Fourth Proportional to 337.07, 465.15 and 197.27

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Solution

The fourth proportional to 337.07, 465.15 and 197.27 is: 272.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.07 : 465.15 = 197.27 : x
  2. Step 2: Convert to fraction form
    337.07/465.15 = 197.27/x
  3. Step 3: Cross multiply
    337.07x = 465.15 × 197.27
  4. Step 4: Simplify right side
    337.07x = 91,760.14
  5. Step 5: Solve for x
    x = 91,760.14/337.07
  6. Step 6: Final answer
    x = 272.23

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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.