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Finding the Fourth Proportional to 799.02, 1,102.62 and 484.32

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Solution

The fourth proportional to 799.02, 1,102.62 and 484.32 is: 668.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    799.02 : 1,102.62 = 484.32 : x
  2. Step 2: Convert to fraction form
    799.02/1,102.62 = 484.32/x
  3. Step 3: Cross multiply
    799.02x = 1,102.62 × 484.32
  4. Step 4: Simplify right side
    799.02x = 534,020.92
  5. Step 5: Solve for x
    x = 534,020.92/799.02
  6. Step 6: Final answer
    x = 668.34

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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.