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Finding the Fourth Proportional to 795.60, 1,098.20 and 481.04

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Solution

The fourth proportional to 795.60, 1,098.20 and 481.04 is: 664.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.60 : 1,098.20 = 481.04 : x
  2. Step 2: Convert to fraction form
    795.60/1,098.20 = 481.04/x
  3. Step 3: Cross multiply
    795.60x = 1,098.20 × 481.04
  4. Step 4: Simplify right side
    795.60x = 528,278.13
  5. Step 5: Solve for x
    x = 528,278.13/795.60
  6. Step 6: Final answer
    x = 664.00

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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.