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Finding the Fourth Proportional to 350.56, 483.24 and 339.78

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Solution

The fourth proportional to 350.56, 483.24 and 339.78 is: 468.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.56 : 483.24 = 339.78 : x
  2. Step 2: Convert to fraction form
    350.56/483.24 = 339.78/x
  3. Step 3: Cross multiply
    350.56x = 483.24 × 339.78
  4. Step 4: Simplify right side
    350.56x = 164,195.29
  5. Step 5: Solve for x
    x = 164,195.29/350.56
  6. Step 6: Final answer
    x = 468.38

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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.