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Finding the Fourth Proportional to 395.66, 593.50 and 152.36

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Solution

The fourth proportional to 395.66, 593.50 and 152.36 is: 228.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.66 : 593.50 = 152.36 : x
  2. Step 2: Convert to fraction form
    395.66/593.50 = 152.36/x
  3. Step 3: Cross multiply
    395.66x = 593.50 × 152.36
  4. Step 4: Simplify right side
    395.66x = 90,425.66
  5. Step 5: Solve for x
    x = 90,425.66/395.66
  6. Step 6: Final answer
    x = 228.54

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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.