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Finding the Fourth Proportional to 329.01, 493.32 and 134.10

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Solution

The fourth proportional to 329.01, 493.32 and 134.10 is: 201.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.01 : 493.32 = 134.10 : x
  2. Step 2: Convert to fraction form
    329.01/493.32 = 134.10/x
  3. Step 3: Cross multiply
    329.01x = 493.32 × 134.10
  4. Step 4: Simplify right side
    329.01x = 66,154.21
  5. Step 5: Solve for x
    x = 66,154.21/329.01
  6. Step 6: Final answer
    x = 201.07

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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.