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Finding the Fourth Proportional to 350.84, 484.12 and 193.48

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Solution

The fourth proportional to 350.84, 484.12 and 193.48 is: 266.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.84 : 484.12 = 193.48 : x
  2. Step 2: Convert to fraction form
    350.84/484.12 = 193.48/x
  3. Step 3: Cross multiply
    350.84x = 484.12 × 193.48
  4. Step 4: Simplify right side
    350.84x = 93,667.54
  5. Step 5: Solve for x
    x = 93,667.54/350.84
  6. Step 6: Final answer
    x = 266.98

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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.