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Finding the Fourth Proportional to 350.47, 483.72 and 203.17

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Solution

The fourth proportional to 350.47, 483.72 and 203.17 is: 280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.47 : 483.72 = 203.17 : x
  2. Step 2: Convert to fraction form
    350.47/483.72 = 203.17/x
  3. Step 3: Cross multiply
    350.47x = 483.72 × 203.17
  4. Step 4: Simplify right side
    350.47x = 98,277.39
  5. Step 5: Solve for x
    x = 98,277.39/350.47
  6. Step 6: Final answer
    x = 280.42

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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.