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Finding the Fourth Proportional to 357.14, 534.87 and 226.69

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Solution

The fourth proportional to 357.14, 534.87 and 226.69 is: 339.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.14 : 534.87 = 226.69 : x
  2. Step 2: Convert to fraction form
    357.14/534.87 = 226.69/x
  3. Step 3: Cross multiply
    357.14x = 534.87 × 226.69
  4. Step 4: Simplify right side
    357.14x = 121,249.68
  5. Step 5: Solve for x
    x = 121,249.68/357.14
  6. Step 6: Final answer
    x = 339.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.