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Finding the Fourth Proportional to 230.56, 317.98 and 168.60

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Solution

The fourth proportional to 230.56, 317.98 and 168.60 is: 232.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.56 : 317.98 = 168.60 : x
  2. Step 2: Convert to fraction form
    230.56/317.98 = 168.60/x
  3. Step 3: Cross multiply
    230.56x = 317.98 × 168.60
  4. Step 4: Simplify right side
    230.56x = 53,611.43
  5. Step 5: Solve for x
    x = 53,611.43/230.56
  6. Step 6: Final answer
    x = 232.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.