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Finding the Fourth Proportional to 395.44, 593.40 and 151.99

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Solution

The fourth proportional to 395.44, 593.40 and 151.99 is: 228.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.44 : 593.40 = 151.99 : x
  2. Step 2: Convert to fraction form
    395.44/593.40 = 151.99/x
  3. Step 3: Cross multiply
    395.44x = 593.40 × 151.99
  4. Step 4: Simplify right side
    395.44x = 90,190.87
  5. Step 5: Solve for x
    x = 90,190.87/395.44
  6. Step 6: Final answer
    x = 228.08

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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.