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Finding the Fourth Proportional to 363.93, 542.91 and 351.62

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Solution

The fourth proportional to 363.93, 542.91 and 351.62 is: 524.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.93 : 542.91 = 351.62 : x
  2. Step 2: Convert to fraction form
    363.93/542.91 = 351.62/x
  3. Step 3: Cross multiply
    363.93x = 542.91 × 351.62
  4. Step 4: Simplify right side
    363.93x = 190,895.30
  5. Step 5: Solve for x
    x = 190,895.30/363.93
  6. Step 6: Final answer
    x = 524.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.