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Finding the Fourth Proportional to 649.05, 968.96 and 626.27

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Solution

The fourth proportional to 649.05, 968.96 and 626.27 is: 934.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    649.05 : 968.96 = 626.27 : x
  2. Step 2: Convert to fraction form
    649.05/968.96 = 626.27/x
  3. Step 3: Cross multiply
    649.05x = 968.96 × 626.27
  4. Step 4: Simplify right side
    649.05x = 606,827.45
  5. Step 5: Solve for x
    x = 606,827.45/649.05
  6. Step 6: Final answer
    x = 934.94

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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.