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Finding the Fourth Proportional to 451.94, 624.04 and 359.19

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Solution

The fourth proportional to 451.94, 624.04 and 359.19 is: 495.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    451.94 : 624.04 = 359.19 : x
  2. Step 2: Convert to fraction form
    451.94/624.04 = 359.19/x
  3. Step 3: Cross multiply
    451.94x = 624.04 × 359.19
  4. Step 4: Simplify right side
    451.94x = 224,148.03
  5. Step 5: Solve for x
    x = 224,148.03/451.94
  6. Step 6: Final answer
    x = 495.97

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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.