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Finding the Fourth Proportional to 337.27, 505.98 and 106.22

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Solution

The fourth proportional to 337.27, 505.98 and 106.22 is: 159.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.27 : 505.98 = 106.22 : x
  2. Step 2: Convert to fraction form
    337.27/505.98 = 106.22/x
  3. Step 3: Cross multiply
    337.27x = 505.98 × 106.22
  4. Step 4: Simplify right side
    337.27x = 53,744.03
  5. Step 5: Solve for x
    x = 53,744.03/337.27
  6. Step 6: Final answer
    x = 159.35

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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.