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Finding the Fourth Proportional to 350.20, 476.92 and 348.04

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Solution

The fourth proportional to 350.20, 476.92 and 348.04 is: 473.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.20 : 476.92 = 348.04 : x
  2. Step 2: Convert to fraction form
    350.20/476.92 = 348.04/x
  3. Step 3: Cross multiply
    350.20x = 476.92 × 348.04
  4. Step 4: Simplify right side
    350.20x = 165,987.24
  5. Step 5: Solve for x
    x = 165,987.24/350.20
  6. Step 6: Final answer
    x = 473.98

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.