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Finding the Fourth Proportional to 378.06, 566.44 and 363.84

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Solution

The fourth proportional to 378.06, 566.44 and 363.84 is: 545.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    378.06 : 566.44 = 363.84 : x
  2. Step 2: Convert to fraction form
    378.06/566.44 = 363.84/x
  3. Step 3: Cross multiply
    378.06x = 566.44 × 363.84
  4. Step 4: Simplify right side
    378.06x = 206,093.53
  5. Step 5: Solve for x
    x = 206,093.53/378.06
  6. Step 6: Final answer
    x = 545.13

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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.