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Finding the Fourth Proportional to 352.93, 529.17 and 136.39

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Solution

The fourth proportional to 352.93, 529.17 and 136.39 is: 204.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.93 : 529.17 = 136.39 : x
  2. Step 2: Convert to fraction form
    352.93/529.17 = 136.39/x
  3. Step 3: Cross multiply
    352.93x = 529.17 × 136.39
  4. Step 4: Simplify right side
    352.93x = 72,173.50
  5. Step 5: Solve for x
    x = 72,173.50/352.93
  6. Step 6: Final answer
    x = 204.50

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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.