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Finding the Fourth Proportional to 336.41, 506.49 and 263.68

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Solution

The fourth proportional to 336.41, 506.49 and 263.68 is: 396.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.41 : 506.49 = 263.68 : x
  2. Step 2: Convert to fraction form
    336.41/506.49 = 263.68/x
  3. Step 3: Cross multiply
    336.41x = 506.49 × 263.68
  4. Step 4: Simplify right side
    336.41x = 133,551.28
  5. Step 5: Solve for x
    x = 133,551.28/336.41
  6. Step 6: Final answer
    x = 396.99

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.