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Finding the Fourth Proportional to 796.18, 1,191.15 and 703.84

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Solution

The fourth proportional to 796.18, 1,191.15 and 703.84 is: 1,053.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.18 : 1,191.15 = 703.84 : x
  2. Step 2: Convert to fraction form
    796.18/1,191.15 = 703.84/x
  3. Step 3: Cross multiply
    796.18x = 1,191.15 × 703.84
  4. Step 4: Simplify right side
    796.18x = 838,379.02
  5. Step 5: Solve for x
    x = 838,379.02/796.18
  6. Step 6: Final answer
    x = 1,053.00

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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.