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Finding the Fourth Proportional to 1,301.04, 1,795.08 and 796.80

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Solution

The fourth proportional to 1,301.04, 1,795.08 and 796.80 is: 1,099.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.04 : 1,795.08 = 796.80 : x
  2. Step 2: Convert to fraction form
    1,301.04/1,795.08 = 796.80/x
  3. Step 3: Cross multiply
    1,301.04x = 1,795.08 × 796.80
  4. Step 4: Simplify right side
    1,301.04x = 1,430,319.74
  5. Step 5: Solve for x
    x = 1,430,319.74/1,301.04
  6. Step 6: Final answer
    x = 1,099.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.