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Finding the Fourth Proportional to 579, 799.02 and 346.18

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Solution

The fourth proportional to 579, 799.02 and 346.18 is: 477.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    579 : 799.02 = 346.18 : x
  2. Step 2: Convert to fraction form
    579/799.02 = 346.18/x
  3. Step 3: Cross multiply
    579x = 799.02 × 346.18
  4. Step 4: Simplify right side
    579x = 276,604.74
  5. Step 5: Solve for x
    x = 276,604.74/579
  6. Step 6: Final answer
    x = 477.73

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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.