Home / 1,232.38-1,848.83-388.17

Finding the Fourth Proportional to 1,232.38, 1,848.83 and 388.17

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Solution

The fourth proportional to 1,232.38, 1,848.83 and 388.17 is: 582.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.38 : 1,848.83 = 388.17 : x
  2. Step 2: Convert to fraction form
    1,232.38/1,848.83 = 388.17/x
  3. Step 3: Cross multiply
    1,232.38x = 1,848.83 × 388.17
  4. Step 4: Simplify right side
    1,232.38x = 717,660.34
  5. Step 5: Solve for x
    x = 717,660.34/1,232.38
  6. Step 6: Final answer
    x = 582.34

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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.