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Finding the Fourth Proportional to 337.16, 465.19 and 197.20

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Solution

The fourth proportional to 337.16, 465.19 and 197.20 is: 272.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.16 : 465.19 = 197.20 : x
  2. Step 2: Convert to fraction form
    337.16/465.19 = 197.20/x
  3. Step 3: Cross multiply
    337.16x = 465.19 × 197.20
  4. Step 4: Simplify right side
    337.16x = 91,733.14
  5. Step 5: Solve for x
    x = 91,733.14/337.16
  6. Step 6: Final answer
    x = 272.08

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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.