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Finding the Fourth Proportional to 535.77, 803.72 and 227.56

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Solution

The fourth proportional to 535.77, 803.72 and 227.56 is: 341.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.77 : 803.72 = 227.56 : x
  2. Step 2: Convert to fraction form
    535.77/803.72 = 227.56/x
  3. Step 3: Cross multiply
    535.77x = 803.72 × 227.56
  4. Step 4: Simplify right side
    535.77x = 182,894.52
  5. Step 5: Solve for x
    x = 182,894.52/535.77
  6. Step 6: Final answer
    x = 341.37

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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.