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Finding the Fourth Proportional to 394.44, 593.79 and 354.75

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Solution

The fourth proportional to 394.44, 593.79 and 354.75 is: 534.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    394.44 : 593.79 = 354.75 : x
  2. Step 2: Convert to fraction form
    394.44/593.79 = 354.75/x
  3. Step 3: Cross multiply
    394.44x = 593.79 × 354.75
  4. Step 4: Simplify right side
    394.44x = 210,647.00
  5. Step 5: Solve for x
    x = 210,647.00/394.44
  6. Step 6: Final answer
    x = 534.04

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.