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Finding the Fourth Proportional to 245.63, 365.44 and 231.05

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Solution

The fourth proportional to 245.63, 365.44 and 231.05 is: 343.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.63 : 365.44 = 231.05 : x
  2. Step 2: Convert to fraction form
    245.63/365.44 = 231.05/x
  3. Step 3: Cross multiply
    245.63x = 365.44 × 231.05
  4. Step 4: Simplify right side
    245.63x = 84,435.03
  5. Step 5: Solve for x
    x = 84,435.03/245.63
  6. Step 6: Final answer
    x = 343.75

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.