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Finding the Fourth Proportional to 363.04, 543.66 and 254.32

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Solution

The fourth proportional to 363.04, 543.66 and 254.32 is: 380.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.04 : 543.66 = 254.32 : x
  2. Step 2: Convert to fraction form
    363.04/543.66 = 254.32/x
  3. Step 3: Cross multiply
    363.04x = 543.66 × 254.32
  4. Step 4: Simplify right side
    363.04x = 138,263.61
  5. Step 5: Solve for x
    x = 138,263.61/363.04
  6. Step 6: Final answer
    x = 380.85

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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.