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Finding the Fourth Proportional to 796.02, 1,098.40 and 547.96

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Solution

The fourth proportional to 796.02, 1,098.40 and 547.96 is: 756.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.02 : 1,098.40 = 547.96 : x
  2. Step 2: Convert to fraction form
    796.02/1,098.40 = 547.96/x
  3. Step 3: Cross multiply
    796.02x = 1,098.40 × 547.96
  4. Step 4: Simplify right side
    796.02x = 601,879.26
  5. Step 5: Solve for x
    x = 601,879.26/796.02
  6. Step 6: Final answer
    x = 756.11

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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.