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Finding the Fourth Proportional to 500.77, 751 and 227.10

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Solution

The fourth proportional to 500.77, 751 and 227.10 is: 340.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    500.77 : 751 = 227.10 : x
  2. Step 2: Convert to fraction form
    500.77/751 = 227.10/x
  3. Step 3: Cross multiply
    500.77x = 751 × 227.10
  4. Step 4: Simplify right side
    500.77x = 170,552.10
  5. Step 5: Solve for x
    x = 170,552.10/500.77
  6. Step 6: Final answer
    x = 340.58

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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.