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Finding the Fourth Proportional to 357.98, 536.90 and 227.82

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Solution

The fourth proportional to 357.98, 536.90 and 227.82 is: 341.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.98 : 536.90 = 227.82 : x
  2. Step 2: Convert to fraction form
    357.98/536.90 = 227.82/x
  3. Step 3: Cross multiply
    357.98x = 536.90 × 227.82
  4. Step 4: Simplify right side
    357.98x = 122,316.56
  5. Step 5: Solve for x
    x = 122,316.56/357.98
  6. Step 6: Final answer
    x = 341.69

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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.