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Finding the Fourth Proportional to 363.03, 544.60 and 146.59

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Solution

The fourth proportional to 363.03, 544.60 and 146.59 is: 219.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.03 : 544.60 = 146.59 : x
  2. Step 2: Convert to fraction form
    363.03/544.60 = 146.59/x
  3. Step 3: Cross multiply
    363.03x = 544.60 × 146.59
  4. Step 4: Simplify right side
    363.03x = 79,832.91
  5. Step 5: Solve for x
    x = 79,832.91/363.03
  6. Step 6: Final answer
    x = 219.91

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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.