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Finding the Fourth Proportional to 799.04, 1,103.20 and 566.40

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Solution

The fourth proportional to 799.04, 1,103.20 and 566.40 is: 782.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    799.04 : 1,103.20 = 566.40 : x
  2. Step 2: Convert to fraction form
    799.04/1,103.20 = 566.40/x
  3. Step 3: Cross multiply
    799.04x = 1,103.20 × 566.40
  4. Step 4: Simplify right side
    799.04x = 624,852.48
  5. Step 5: Solve for x
    x = 624,852.48/799.04
  6. Step 6: Final answer
    x = 782.00

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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.