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Finding the Fourth Proportional to 626.71, 932.69 and 605.95

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Solution

The fourth proportional to 626.71, 932.69 and 605.95 is: 901.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.71 : 932.69 = 605.95 : x
  2. Step 2: Convert to fraction form
    626.71/932.69 = 605.95/x
  3. Step 3: Cross multiply
    626.71x = 932.69 × 605.95
  4. Step 4: Simplify right side
    626.71x = 565,163.51
  5. Step 5: Solve for x
    x = 565,163.51/626.71
  6. Step 6: Final answer
    x = 901.79

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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.