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Finding the Fourth Proportional to 579.26, 799.12 and 346.25

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Solution

The fourth proportional to 579.26, 799.12 and 346.25 is: 477.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    579.26 : 799.12 = 346.25 : x
  2. Step 2: Convert to fraction form
    579.26/799.12 = 346.25/x
  3. Step 3: Cross multiply
    579.26x = 799.12 × 346.25
  4. Step 4: Simplify right side
    579.26x = 276,695.30
  5. Step 5: Solve for x
    x = 276,695.30/579.26
  6. Step 6: Final answer
    x = 477.67

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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.