Home / 1,230.14-1,845.19-364.38

Finding the Fourth Proportional to 1,230.14, 1,845.19 and 364.38

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Solution

The fourth proportional to 1,230.14, 1,845.19 and 364.38 is: 546.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230.14 : 1,845.19 = 364.38 : x
  2. Step 2: Convert to fraction form
    1,230.14/1,845.19 = 364.38/x
  3. Step 3: Cross multiply
    1,230.14x = 1,845.19 × 364.38
  4. Step 4: Simplify right side
    1,230.14x = 672,350.33
  5. Step 5: Solve for x
    x = 672,350.33/1,230.14
  6. Step 6: Final answer
    x = 546.56

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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.