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Finding the Fourth Proportional to 612.27, 850.63 and 604.98

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Solution

The fourth proportional to 612.27, 850.63 and 604.98 is: 840.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    612.27 : 850.63 = 604.98 : x
  2. Step 2: Convert to fraction form
    612.27/850.63 = 604.98/x
  3. Step 3: Cross multiply
    612.27x = 850.63 × 604.98
  4. Step 4: Simplify right side
    612.27x = 514,614.14
  5. Step 5: Solve for x
    x = 514,614.14/612.27
  6. Step 6: Final answer
    x = 840.50

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.