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Finding the Fourth Proportional to 604.46, 907.30 and 330.68

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Solution

The fourth proportional to 604.46, 907.30 and 330.68 is: 496.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.46 : 907.30 = 330.68 : x
  2. Step 2: Convert to fraction form
    604.46/907.30 = 330.68/x
  3. Step 3: Cross multiply
    604.46x = 907.30 × 330.68
  4. Step 4: Simplify right side
    604.46x = 300,028.65
  5. Step 5: Solve for x
    x = 300,028.65/604.46
  6. Step 6: Final answer
    x = 496.36

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Double scale
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Similar ratio
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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.