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Finding the Fourth Proportional to 341.83, 472.20 and 276.62

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Solution

The fourth proportional to 341.83, 472.20 and 276.62 is: 382.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.83 : 472.20 = 276.62 : x
  2. Step 2: Convert to fraction form
    341.83/472.20 = 276.62/x
  3. Step 3: Cross multiply
    341.83x = 472.20 × 276.62
  4. Step 4: Simplify right side
    341.83x = 130,619.96
  5. Step 5: Solve for x
    x = 130,619.96/341.83
  6. Step 6: Final answer
    x = 382.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.