Home / 1,231.08-1,846.90-365.36

Finding the Fourth Proportional to 1,231.08, 1,846.90 and 365.36

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Solution

The fourth proportional to 1,231.08, 1,846.90 and 365.36 is: 548.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231.08 : 1,846.90 = 365.36 : x
  2. Step 2: Convert to fraction form
    1,231.08/1,846.90 = 365.36/x
  3. Step 3: Cross multiply
    1,231.08x = 1,846.90 × 365.36
  4. Step 4: Simplify right side
    1,231.08x = 674,783.38
  5. Step 5: Solve for x
    x = 674,783.38/1,231.08
  6. Step 6: Final answer
    x = 548.12

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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.