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Finding the Fourth Proportional to 604.44, 907.26 and 279.88

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Solution

The fourth proportional to 604.44, 907.26 and 279.88 is: 420.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.44 : 907.26 = 279.88 : x
  2. Step 2: Convert to fraction form
    604.44/907.26 = 279.88/x
  3. Step 3: Cross multiply
    604.44x = 907.26 × 279.88
  4. Step 4: Simplify right side
    604.44x = 253,923.93
  5. Step 5: Solve for x
    x = 253,923.93/604.44
  6. Step 6: Final answer
    x = 420.10

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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.