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Finding the Fourth Proportional to 797.82, 1,100.99 and 483.01

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Solution

The fourth proportional to 797.82, 1,100.99 and 483.01 is: 666.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.82 : 1,100.99 = 483.01 : x
  2. Step 2: Convert to fraction form
    797.82/1,100.99 = 483.01/x
  3. Step 3: Cross multiply
    797.82x = 1,100.99 × 483.01
  4. Step 4: Simplify right side
    797.82x = 531,793.83
  5. Step 5: Solve for x
    x = 531,793.83/797.82
  6. Step 6: Final answer
    x = 666.56

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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.