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Finding the Fourth Proportional to 395.57, 593.52 and 164.51

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Solution

The fourth proportional to 395.57, 593.52 and 164.51 is: 246.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.57 : 593.52 = 164.51 : x
  2. Step 2: Convert to fraction form
    395.57/593.52 = 164.51/x
  3. Step 3: Cross multiply
    395.57x = 593.52 × 164.51
  4. Step 4: Simplify right side
    395.57x = 97,641.46
  5. Step 5: Solve for x
    x = 97,641.46/395.57
  6. Step 6: Final answer
    x = 246.84

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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.