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Finding the Fourth Proportional to 576.23, 796.02 and 458.98

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Solution

The fourth proportional to 576.23, 796.02 and 458.98 is: 634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.23 : 796.02 = 458.98 : x
  2. Step 2: Convert to fraction form
    576.23/796.02 = 458.98/x
  3. Step 3: Cross multiply
    576.23x = 796.02 × 458.98
  4. Step 4: Simplify right side
    576.23x = 365,355.27
  5. Step 5: Solve for x
    x = 365,355.27/576.23
  6. Step 6: Final answer
    x = 634.05

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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.