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Finding the Fourth Proportional to 1,482.22, 2,222.34 and 604.72

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Solution

The fourth proportional to 1,482.22, 2,222.34 and 604.72 is: 906.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.22 : 2,222.34 = 604.72 : x
  2. Step 2: Convert to fraction form
    1,482.22/2,222.34 = 604.72/x
  3. Step 3: Cross multiply
    1,482.22x = 2,222.34 × 604.72
  4. Step 4: Simplify right side
    1,482.22x = 1,343,893.44
  5. Step 5: Solve for x
    x = 1,343,893.44/1,482.22
  6. Step 6: Final answer
    x = 906.68

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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.