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Finding the Fourth Proportional to 578.16, 796.10 and 453.68

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Solution

The fourth proportional to 578.16, 796.10 and 453.68 is: 624.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    578.16 : 796.10 = 453.68 : x
  2. Step 2: Convert to fraction form
    578.16/796.10 = 453.68/x
  3. Step 3: Cross multiply
    578.16x = 796.10 × 453.68
  4. Step 4: Simplify right side
    578.16x = 361,174.65
  5. Step 5: Solve for x
    x = 361,174.65/578.16
  6. Step 6: Final answer
    x = 624.70

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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.