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Finding the Fourth Proportional to 604.96, 906 and 451.12

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Solution

The fourth proportional to 604.96, 906 and 451.12 is: 675.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.96 : 906 = 451.12 : x
  2. Step 2: Convert to fraction form
    604.96/906 = 451.12/x
  3. Step 3: Cross multiply
    604.96x = 906 × 451.12
  4. Step 4: Simplify right side
    604.96x = 408,714.72
  5. Step 5: Solve for x
    x = 408,714.72/604.96
  6. Step 6: Final answer
    x = 675.61

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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.