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Finding the Fourth Proportional to 435.74, 653.76 and 273.23

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Solution

The fourth proportional to 435.74, 653.76 and 273.23 is: 409.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.74 : 653.76 = 273.23 : x
  2. Step 2: Convert to fraction form
    435.74/653.76 = 273.23/x
  3. Step 3: Cross multiply
    435.74x = 653.76 × 273.23
  4. Step 4: Simplify right side
    435.74x = 178,626.84
  5. Step 5: Solve for x
    x = 178,626.84/435.74
  6. Step 6: Final answer
    x = 409.94

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