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Finding the Fourth Proportional to 336.92, 504.95 and 272.07

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Solution

The fourth proportional to 336.92, 504.95 and 272.07 is: 407.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.92 : 504.95 = 272.07 : x
  2. Step 2: Convert to fraction form
    336.92/504.95 = 272.07/x
  3. Step 3: Cross multiply
    336.92x = 504.95 × 272.07
  4. Step 4: Simplify right side
    336.92x = 137,380.39
  5. Step 5: Solve for x
    x = 137,380.39/336.92
  6. Step 6: Final answer
    x = 407.76

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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.