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Finding the Fourth Proportional to 1,060.98, 1,591.46 and 573.92

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Solution

The fourth proportional to 1,060.98, 1,591.46 and 573.92 is: 860.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.98 : 1,591.46 = 573.92 : x
  2. Step 2: Convert to fraction form
    1,060.98/1,591.46 = 573.92/x
  3. Step 3: Cross multiply
    1,060.98x = 1,591.46 × 573.92
  4. Step 4: Simplify right side
    1,060.98x = 913,359.90
  5. Step 5: Solve for x
    x = 913,359.90/1,060.98
  6. Step 6: Final answer
    x = 860.86

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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.