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Finding the Fourth Proportional to 341.38, 512.30 and 124.96

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Solution

The fourth proportional to 341.38, 512.30 and 124.96 is: 187.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.38 : 512.30 = 124.96 : x
  2. Step 2: Convert to fraction form
    341.38/512.30 = 124.96/x
  3. Step 3: Cross multiply
    341.38x = 512.30 × 124.96
  4. Step 4: Simplify right side
    341.38x = 64,015.10
  5. Step 5: Solve for x
    x = 64,015.10/341.38
  6. Step 6: Final answer
    x = 187.52

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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.