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Finding the Fourth Proportional to 337.85, 504.79 and 330.56

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Solution

The fourth proportional to 337.85, 504.79 and 330.56 is: 493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.85 : 504.79 = 330.56 : x
  2. Step 2: Convert to fraction form
    337.85/504.79 = 330.56/x
  3. Step 3: Cross multiply
    337.85x = 504.79 × 330.56
  4. Step 4: Simplify right side
    337.85x = 166,862.83
  5. Step 5: Solve for x
    x = 166,862.83/337.85
  6. Step 6: Final answer
    x = 493.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.