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Finding the Fourth Proportional to 341.21, 511.29 and 204.19

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Solution

The fourth proportional to 341.21, 511.29 and 204.19 is: 305.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.21 : 511.29 = 204.19 : x
  2. Step 2: Convert to fraction form
    341.21/511.29 = 204.19/x
  3. Step 3: Cross multiply
    341.21x = 511.29 × 204.19
  4. Step 4: Simplify right side
    341.21x = 104,400.31
  5. Step 5: Solve for x
    x = 104,400.31/341.21
  6. Step 6: Final answer
    x = 305.97

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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.