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Finding the Fourth Proportional to 1,550.42, 2,323.81 and 624.74

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Solution

The fourth proportional to 1,550.42, 2,323.81 and 624.74 is: 936.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550.42 : 2,323.81 = 624.74 : x
  2. Step 2: Convert to fraction form
    1,550.42/2,323.81 = 624.74/x
  3. Step 3: Cross multiply
    1,550.42x = 2,323.81 × 624.74
  4. Step 4: Simplify right side
    1,550.42x = 1,451,773.94
  5. Step 5: Solve for x
    x = 1,451,773.94/1,550.42
  6. Step 6: Final answer
    x = 936.37

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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.