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Finding the Fourth Proportional to 625.56, 936.60 and 471.56

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Solution

The fourth proportional to 625.56, 936.60 and 471.56 is: 706.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.56 : 936.60 = 471.56 : x
  2. Step 2: Convert to fraction form
    625.56/936.60 = 471.56/x
  3. Step 3: Cross multiply
    625.56x = 936.60 × 471.56
  4. Step 4: Simplify right side
    625.56x = 441,663.10
  5. Step 5: Solve for x
    x = 441,663.10/625.56
  6. Step 6: Final answer
    x = 706.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.