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Finding the Fourth Proportional to 1,566.97, 2,350.44 and 471.31

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Solution

The fourth proportional to 1,566.97, 2,350.44 and 471.31 is: 706.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.97 : 2,350.44 = 471.31 : x
  2. Step 2: Convert to fraction form
    1,566.97/2,350.44 = 471.31/x
  3. Step 3: Cross multiply
    1,566.97x = 2,350.44 × 471.31
  4. Step 4: Simplify right side
    1,566.97x = 1,107,785.88
  5. Step 5: Solve for x
    x = 1,107,785.88/1,566.97
  6. Step 6: Final answer
    x = 706.96

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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.