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Finding the Fourth Proportional to 334.12, 502.13 and 197.19

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Solution

The fourth proportional to 334.12, 502.13 and 197.19 is: 296.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.12 : 502.13 = 197.19 : x
  2. Step 2: Convert to fraction form
    334.12/502.13 = 197.19/x
  3. Step 3: Cross multiply
    334.12x = 502.13 × 197.19
  4. Step 4: Simplify right side
    334.12x = 99,011.52
  5. Step 5: Solve for x
    x = 99,011.52/334.12
  6. Step 6: Final answer
    x = 296.34

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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.