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Finding the Fourth Proportional to 1,150.92, 1,726.92 and 573.84

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Solution

The fourth proportional to 1,150.92, 1,726.92 and 573.84 is: 861.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150.92 : 1,726.92 = 573.84 : x
  2. Step 2: Convert to fraction form
    1,150.92/1,726.92 = 573.84/x
  3. Step 3: Cross multiply
    1,150.92x = 1,726.92 × 573.84
  4. Step 4: Simplify right side
    1,150.92x = 990,975.77
  5. Step 5: Solve for x
    x = 990,975.77/1,150.92
  6. Step 6: Final answer
    x = 861.03

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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.