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Finding the Fourth Proportional to 364.36, 545.76 and 227

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Solution

The fourth proportional to 364.36, 545.76 and 227 is: 340.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.36 : 545.76 = 227 : x
  2. Step 2: Convert to fraction form
    364.36/545.76 = 227/x
  3. Step 3: Cross multiply
    364.36x = 545.76 × 227
  4. Step 4: Simplify right side
    364.36x = 123,887.52
  5. Step 5: Solve for x
    x = 123,887.52/364.36
  6. Step 6: Final answer
    x = 340.01

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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.