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Finding the Fourth Proportional to 372.99, 556.67 and 363.27

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Solution

The fourth proportional to 372.99, 556.67 and 363.27 is: 542.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.99 : 556.67 = 363.27 : x
  2. Step 2: Convert to fraction form
    372.99/556.67 = 363.27/x
  3. Step 3: Cross multiply
    372.99x = 556.67 × 363.27
  4. Step 4: Simplify right side
    372.99x = 202,219.69
  5. Step 5: Solve for x
    x = 202,219.69/372.99
  6. Step 6: Final answer
    x = 542.16

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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.