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Finding the Fourth Proportional to 902.95, 1,354.22 and 537.84

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Solution

The fourth proportional to 902.95, 1,354.22 and 537.84 is: 806.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    902.95 : 1,354.22 = 537.84 : x
  2. Step 2: Convert to fraction form
    902.95/1,354.22 = 537.84/x
  3. Step 3: Cross multiply
    902.95x = 1,354.22 × 537.84
  4. Step 4: Simplify right side
    902.95x = 728,353.01
  5. Step 5: Solve for x
    x = 728,353.01/902.95
  6. Step 6: Final answer
    x = 806.64

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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.