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Finding the Fourth Proportional to 350.79, 484 and 201.34

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Solution

The fourth proportional to 350.79, 484 and 201.34 is: 277.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.79 : 484 = 201.34 : x
  2. Step 2: Convert to fraction form
    350.79/484 = 201.34/x
  3. Step 3: Cross multiply
    350.79x = 484 × 201.34
  4. Step 4: Simplify right side
    350.79x = 97,448.56
  5. Step 5: Solve for x
    x = 97,448.56/350.79
  6. Step 6: Final answer
    x = 277.80

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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.