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Finding the Fourth Proportional to 337.14, 505.86 and 331.67

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Solution

The fourth proportional to 337.14, 505.86 and 331.67 is: 497.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.14 : 505.86 = 331.67 : x
  2. Step 2: Convert to fraction form
    337.14/505.86 = 331.67/x
  3. Step 3: Cross multiply
    337.14x = 505.86 × 331.67
  4. Step 4: Simplify right side
    337.14x = 167,776.93
  5. Step 5: Solve for x
    x = 167,776.93/337.14
  6. Step 6: Final answer
    x = 497.66

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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.