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Finding the Fourth Proportional to 604.46, 833.60 and 511.44

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Solution

The fourth proportional to 604.46, 833.60 and 511.44 is: 705.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.46 : 833.60 = 511.44 : x
  2. Step 2: Convert to fraction form
    604.46/833.60 = 511.44/x
  3. Step 3: Cross multiply
    604.46x = 833.60 × 511.44
  4. Step 4: Simplify right side
    604.46x = 426,333.83
  5. Step 5: Solve for x
    x = 426,333.83/604.46
  6. Step 6: Final answer
    x = 705.32

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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.