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Finding the Fourth Proportional to 350.60, 483.77 and 203.31

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Solution

The fourth proportional to 350.60, 483.77 and 203.31 is: 280.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.60 : 483.77 = 203.31 : x
  2. Step 2: Convert to fraction form
    350.60/483.77 = 203.31/x
  3. Step 3: Cross multiply
    350.60x = 483.77 × 203.31
  4. Step 4: Simplify right side
    350.60x = 98,355.79
  5. Step 5: Solve for x
    x = 98,355.79/350.60
  6. Step 6: Final answer
    x = 280.54

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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.