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Finding the Fourth Proportional to 360.03, 542.18 and 335.73

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Solution

The fourth proportional to 360.03, 542.18 and 335.73 is: 505.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.03 : 542.18 = 335.73 : x
  2. Step 2: Convert to fraction form
    360.03/542.18 = 335.73/x
  3. Step 3: Cross multiply
    360.03x = 542.18 × 335.73
  4. Step 4: Simplify right side
    360.03x = 182,026.09
  5. Step 5: Solve for x
    x = 182,026.09/360.03
  6. Step 6: Final answer
    x = 505.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.