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Finding the Fourth Proportional to 884.76, 1,327.72 and 336.95

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Solution

The fourth proportional to 884.76, 1,327.72 and 336.95 is: 505.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.76 : 1,327.72 = 336.95 : x
  2. Step 2: Convert to fraction form
    884.76/1,327.72 = 336.95/x
  3. Step 3: Cross multiply
    884.76x = 1,327.72 × 336.95
  4. Step 4: Simplify right side
    884.76x = 447,371.93
  5. Step 5: Solve for x
    x = 447,371.93/884.76
  6. Step 6: Final answer
    x = 505.64

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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.