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Finding the Fourth Proportional to 395.73, 593.76 and 152.21

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Solution

The fourth proportional to 395.73, 593.76 and 152.21 is: 228.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.73 : 593.76 = 152.21 : x
  2. Step 2: Convert to fraction form
    395.73/593.76 = 152.21/x
  3. Step 3: Cross multiply
    395.73x = 593.76 × 152.21
  4. Step 4: Simplify right side
    395.73x = 90,373.24
  5. Step 5: Solve for x
    x = 90,373.24/395.73
  6. Step 6: Final answer
    x = 228.37

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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.