Home / 1,221.04-1,831.57-296.60

Finding the Fourth Proportional to 1,221.04, 1,831.57 and 296.60

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Solution

The fourth proportional to 1,221.04, 1,831.57 and 296.60 is: 444.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221.04 : 1,831.57 = 296.60 : x
  2. Step 2: Convert to fraction form
    1,221.04/1,831.57 = 296.60/x
  3. Step 3: Cross multiply
    1,221.04x = 1,831.57 × 296.60
  4. Step 4: Simplify right side
    1,221.04x = 543,233.02
  5. Step 5: Solve for x
    x = 543,233.02/1,221.04
  6. Step 6: Final answer
    x = 444.89

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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.