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Finding the Fourth Proportional to 604.34, 833.67 and 382.90

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Solution

The fourth proportional to 604.34, 833.67 and 382.90 is: 528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.34 : 833.67 = 382.90 : x
  2. Step 2: Convert to fraction form
    604.34/833.67 = 382.90/x
  3. Step 3: Cross multiply
    604.34x = 833.67 × 382.90
  4. Step 4: Simplify right side
    604.34x = 319,212.24
  5. Step 5: Solve for x
    x = 319,212.24/604.34
  6. Step 6: Final answer
    x = 528.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.