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Finding the Fourth Proportional to 350.63, 483.92 and 203.31

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Solution

The fourth proportional to 350.63, 483.92 and 203.31 is: 280.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.63 : 483.92 = 203.31 : x
  2. Step 2: Convert to fraction form
    350.63/483.92 = 203.31/x
  3. Step 3: Cross multiply
    350.63x = 483.92 × 203.31
  4. Step 4: Simplify right side
    350.63x = 98,384.76
  5. Step 5: Solve for x
    x = 98,384.76/350.63
  6. Step 6: Final answer
    x = 280.59

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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.