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Finding the Fourth Proportional to 626.49, 933.62 and 607.71

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Solution

The fourth proportional to 626.49, 933.62 and 607.71 is: 905.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.49 : 933.62 = 607.71 : x
  2. Step 2: Convert to fraction form
    626.49/933.62 = 607.71/x
  3. Step 3: Cross multiply
    626.49x = 933.62 × 607.71
  4. Step 4: Simplify right side
    626.49x = 567,367.17
  5. Step 5: Solve for x
    x = 567,367.17/626.49
  6. Step 6: Final answer
    x = 905.63

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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.