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Finding the Fourth Proportional to 471.29, 707.00 and 227.81

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Solution

The fourth proportional to 471.29, 707.00 and 227.81 is: 341.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    471.29 : 707.00 = 227.81 : x
  2. Step 2: Convert to fraction form
    471.29/707.00 = 227.81/x
  3. Step 3: Cross multiply
    471.29x = 707.00 × 227.81
  4. Step 4: Simplify right side
    471.29x = 161,062.30
  5. Step 5: Solve for x
    x = 161,062.30/471.29
  6. Step 6: Final answer
    x = 341.75

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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.