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Finding the Fourth Proportional to 795.22, 1,190.09 and 575.00

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Solution

The fourth proportional to 795.22, 1,190.09 and 575.00 is: 860.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.22 : 1,190.09 = 575.00 : x
  2. Step 2: Convert to fraction form
    795.22/1,190.09 = 575.00/x
  3. Step 3: Cross multiply
    795.22x = 1,190.09 × 575.00
  4. Step 4: Simplify right side
    795.22x = 684,301.70
  5. Step 5: Solve for x
    x = 684,301.70/795.22
  6. Step 6: Final answer
    x = 860.52

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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.