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Finding the Fourth Proportional to 352.02, 527.66 and 135.44

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Solution

The fourth proportional to 352.02, 527.66 and 135.44 is: 203.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.02 : 527.66 = 135.44 : x
  2. Step 2: Convert to fraction form
    352.02/527.66 = 135.44/x
  3. Step 3: Cross multiply
    352.02x = 527.66 × 135.44
  4. Step 4: Simplify right side
    352.02x = 71,466.27
  5. Step 5: Solve for x
    x = 71,466.27/352.02
  6. Step 6: Final answer
    x = 203.02

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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.