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Finding the Fourth Proportional to 796.18, 1,099.12 and 501.58

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Solution

The fourth proportional to 796.18, 1,099.12 and 501.58 is: 692.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.18 : 1,099.12 = 501.58 : x
  2. Step 2: Convert to fraction form
    796.18/1,099.12 = 501.58/x
  3. Step 3: Cross multiply
    796.18x = 1,099.12 × 501.58
  4. Step 4: Simplify right side
    796.18x = 551,296.61
  5. Step 5: Solve for x
    x = 551,296.61/796.18
  6. Step 6: Final answer
    x = 692.43

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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.