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Finding the Fourth Proportional to 1,334.65, 2,002.29 and 604.22

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Solution

The fourth proportional to 1,334.65, 2,002.29 and 604.22 is: 906.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.65 : 2,002.29 = 604.22 : x
  2. Step 2: Convert to fraction form
    1,334.65/2,002.29 = 604.22/x
  3. Step 3: Cross multiply
    1,334.65x = 2,002.29 × 604.22
  4. Step 4: Simplify right side
    1,334.65x = 1,209,823.66
  5. Step 5: Solve for x
    x = 1,209,823.66/1,334.65
  6. Step 6: Final answer
    x = 906.47

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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.