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Finding the Fourth Proportional to 341.06, 511.79 and 186.89

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Solution

The fourth proportional to 341.06, 511.79 and 186.89 is: 280.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.06 : 511.79 = 186.89 : x
  2. Step 2: Convert to fraction form
    341.06/511.79 = 186.89/x
  3. Step 3: Cross multiply
    341.06x = 511.79 × 186.89
  4. Step 4: Simplify right side
    341.06x = 95,644.94
  5. Step 5: Solve for x
    x = 95,644.94/341.06
  6. Step 6: Final answer
    x = 280.44

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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.