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Finding the Fourth Proportional to 622.85, 926.91 and 602.60

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Solution

The fourth proportional to 622.85, 926.91 and 602.60 is: 896.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.85 : 926.91 = 602.60 : x
  2. Step 2: Convert to fraction form
    622.85/926.91 = 602.60/x
  3. Step 3: Cross multiply
    622.85x = 926.91 × 602.60
  4. Step 4: Simplify right side
    622.85x = 558,551.33
  5. Step 5: Solve for x
    x = 558,551.33/622.85
  6. Step 6: Final answer
    x = 896.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.