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Finding the Fourth Proportional to 471.00, 702.41 and 418.56

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Solution

The fourth proportional to 471.00, 702.41 and 418.56 is: 624.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    471.00 : 702.41 = 418.56 : x
  2. Step 2: Convert to fraction form
    471.00/702.41 = 418.56/x
  3. Step 3: Cross multiply
    471.00x = 702.41 × 418.56
  4. Step 4: Simplify right side
    471.00x = 293,996.00
  5. Step 5: Solve for x
    x = 293,996.00/471.00
  6. Step 6: Final answer
    x = 624.19

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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.