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Finding the Fourth Proportional to 624.28, 936.57 and 277.60

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Solution

The fourth proportional to 624.28, 936.57 and 277.60 is: 416.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.28 : 936.57 = 277.60 : x
  2. Step 2: Convert to fraction form
    624.28/936.57 = 277.60/x
  3. Step 3: Cross multiply
    624.28x = 936.57 × 277.60
  4. Step 4: Simplify right side
    624.28x = 259,991.83
  5. Step 5: Solve for x
    x = 259,991.83/624.28
  6. Step 6: Final answer
    x = 416.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.