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Finding the Fourth Proportional to 341.68, 511.06 and 211.32

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Solution

The fourth proportional to 341.68, 511.06 and 211.32 is: 316.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.68 : 511.06 = 211.32 : x
  2. Step 2: Convert to fraction form
    341.68/511.06 = 211.32/x
  3. Step 3: Cross multiply
    341.68x = 511.06 × 211.32
  4. Step 4: Simplify right side
    341.68x = 107,997.20
  5. Step 5: Solve for x
    x = 107,997.20/341.68
  6. Step 6: Final answer
    x = 316.08

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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.