Home / 1,233.19-1,849.73-308.70

Finding the Fourth Proportional to 1,233.19, 1,849.73 and 308.70

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Solution

The fourth proportional to 1,233.19, 1,849.73 and 308.70 is: 463.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233.19 : 1,849.73 = 308.70 : x
  2. Step 2: Convert to fraction form
    1,233.19/1,849.73 = 308.70/x
  3. Step 3: Cross multiply
    1,233.19x = 1,849.73 × 308.70
  4. Step 4: Simplify right side
    1,233.19x = 571,005.77
  5. Step 5: Solve for x
    x = 571,005.77/1,233.19
  6. Step 6: Final answer
    x = 463.03

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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.