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Finding the Fourth Proportional to 622.07, 852.31 and 614.38

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Solution

The fourth proportional to 622.07, 852.31 and 614.38 is: 841.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.07 : 852.31 = 614.38 : x
  2. Step 2: Convert to fraction form
    622.07/852.31 = 614.38/x
  3. Step 3: Cross multiply
    622.07x = 852.31 × 614.38
  4. Step 4: Simplify right side
    622.07x = 523,638.55
  5. Step 5: Solve for x
    x = 523,638.55/622.07
  6. Step 6: Final answer
    x = 841.77

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.