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Finding the Fourth Proportional to 341.93, 512.53 and 168.40

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Solution

The fourth proportional to 341.93, 512.53 and 168.40 is: 252.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.93 : 512.53 = 168.40 : x
  2. Step 2: Convert to fraction form
    341.93/512.53 = 168.40/x
  3. Step 3: Cross multiply
    341.93x = 512.53 × 168.40
  4. Step 4: Simplify right side
    341.93x = 86,310.05
  5. Step 5: Solve for x
    x = 86,310.05/341.93
  6. Step 6: Final answer
    x = 252.42

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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.