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Finding the Fourth Proportional to 1,194.56, 1,790.29 and 535.95

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Solution

The fourth proportional to 1,194.56, 1,790.29 and 535.95 is: 803.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.56 : 1,790.29 = 535.95 : x
  2. Step 2: Convert to fraction form
    1,194.56/1,790.29 = 535.95/x
  3. Step 3: Cross multiply
    1,194.56x = 1,790.29 × 535.95
  4. Step 4: Simplify right side
    1,194.56x = 959,505.93
  5. Step 5: Solve for x
    x = 959,505.93/1,194.56
  6. Step 6: Final answer
    x = 803.23

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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.