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Finding the Fourth Proportional to 844.00, 1,164.70 and 471.00

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Solution

The fourth proportional to 844.00, 1,164.70 and 471.00 is: 649.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.00 : 1,164.70 = 471.00 : x
  2. Step 2: Convert to fraction form
    844.00/1,164.70 = 471.00/x
  3. Step 3: Cross multiply
    844.00x = 1,164.70 × 471.00
  4. Step 4: Simplify right side
    844.00x = 548,578.66
  5. Step 5: Solve for x
    x = 548,578.66/844.00
  6. Step 6: Final answer
    x = 649.98

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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.