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Finding the Fourth Proportional to 351.60, 527.26 and 108.04

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Solution

The fourth proportional to 351.60, 527.26 and 108.04 is: 162.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.60 : 527.26 = 108.04 : x
  2. Step 2: Convert to fraction form
    351.60/527.26 = 108.04/x
  3. Step 3: Cross multiply
    351.60x = 527.26 × 108.04
  4. Step 4: Simplify right side
    351.60x = 56,965.17
  5. Step 5: Solve for x
    x = 56,965.17/351.60
  6. Step 6: Final answer
    x = 162.02

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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.