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Finding the Fourth Proportional to 341.37, 511.11 and 219.33

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Solution

The fourth proportional to 341.37, 511.11 and 219.33 is: 328.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.37 : 511.11 = 219.33 : x
  2. Step 2: Convert to fraction form
    341.37/511.11 = 219.33/x
  3. Step 3: Cross multiply
    341.37x = 511.11 × 219.33
  4. Step 4: Simplify right side
    341.37x = 112,101.76
  5. Step 5: Solve for x
    x = 112,101.76/341.37
  6. Step 6: Final answer
    x = 328.39

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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.