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Finding the Fourth Proportional to 1,114.24, 1,672.44 and 537.52

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Solution

The fourth proportional to 1,114.24, 1,672.44 and 537.52 is: 806.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114.24 : 1,672.44 = 537.52 : x
  2. Step 2: Convert to fraction form
    1,114.24/1,672.44 = 537.52/x
  3. Step 3: Cross multiply
    1,114.24x = 1,672.44 × 537.52
  4. Step 4: Simplify right side
    1,114.24x = 898,969.95
  5. Step 5: Solve for x
    x = 898,969.95/1,114.24
  6. Step 6: Final answer
    x = 806.80

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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.