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Finding the Fourth Proportional to 470.94, 649.89 and 263.94

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Solution

The fourth proportional to 470.94, 649.89 and 263.94 is: 364.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    470.94 : 649.89 = 263.94 : x
  2. Step 2: Convert to fraction form
    470.94/649.89 = 263.94/x
  3. Step 3: Cross multiply
    470.94x = 649.89 × 263.94
  4. Step 4: Simplify right side
    470.94x = 171,531.97
  5. Step 5: Solve for x
    x = 171,531.97/470.94
  6. Step 6: Final answer
    x = 364.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.