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Finding the Fourth Proportional to 662.86, 994.22 and 337.98

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Solution

The fourth proportional to 662.86, 994.22 and 337.98 is: 506.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    662.86 : 994.22 = 337.98 : x
  2. Step 2: Convert to fraction form
    662.86/994.22 = 337.98/x
  3. Step 3: Cross multiply
    662.86x = 994.22 × 337.98
  4. Step 4: Simplify right side
    662.86x = 336,026.48
  5. Step 5: Solve for x
    x = 336,026.48/662.86
  6. Step 6: Final answer
    x = 506.93

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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.