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Finding the Fourth Proportional to 624.04, 859.26 and 550.36

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Solution

The fourth proportional to 624.04, 859.26 and 550.36 is: 757.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.04 : 859.26 = 550.36 : x
  2. Step 2: Convert to fraction form
    624.04/859.26 = 550.36/x
  3. Step 3: Cross multiply
    624.04x = 859.26 × 550.36
  4. Step 4: Simplify right side
    624.04x = 472,902.33
  5. Step 5: Solve for x
    x = 472,902.33/624.04
  6. Step 6: Final answer
    x = 757.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.