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Finding the Fourth Proportional to 351.56, 527.36 and 95.06

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Solution

The fourth proportional to 351.56, 527.36 and 95.06 is: 142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.56 : 527.36 = 95.06 : x
  2. Step 2: Convert to fraction form
    351.56/527.36 = 95.06/x
  3. Step 3: Cross multiply
    351.56x = 527.36 × 95.06
  4. Step 4: Simplify right side
    351.56x = 50,131.68
  5. Step 5: Solve for x
    x = 50,131.68/351.56
  6. Step 6: Final answer
    x = 142.60

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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.