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Finding the Fourth Proportional to 435.03, 652.42 and 134.38

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Solution

The fourth proportional to 435.03, 652.42 and 134.38 is: 201.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.03 : 652.42 = 134.38 : x
  2. Step 2: Convert to fraction form
    435.03/652.42 = 134.38/x
  3. Step 3: Cross multiply
    435.03x = 652.42 × 134.38
  4. Step 4: Simplify right side
    435.03x = 87,672.20
  5. Step 5: Solve for x
    x = 87,672.20/435.03
  6. Step 6: Final answer
    x = 201.53

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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.