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Finding the Fourth Proportional to 471.56, 707.33 and 341.62

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Solution

The fourth proportional to 471.56, 707.33 and 341.62 is: 512.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    471.56 : 707.33 = 341.62 : x
  2. Step 2: Convert to fraction form
    471.56/707.33 = 341.62/x
  3. Step 3: Cross multiply
    471.56x = 707.33 × 341.62
  4. Step 4: Simplify right side
    471.56x = 241,635.24
  5. Step 5: Solve for x
    x = 241,635.24/471.56
  6. Step 6: Final answer
    x = 512.42

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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.