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Finding the Fourth Proportional to 701.56, 1,050.27 and 671.49

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Solution

The fourth proportional to 701.56, 1,050.27 and 671.49 is: 1,005.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.56 : 1,050.27 = 671.49 : x
  2. Step 2: Convert to fraction form
    701.56/1,050.27 = 671.49/x
  3. Step 3: Cross multiply
    701.56x = 1,050.27 × 671.49
  4. Step 4: Simplify right side
    701.56x = 705,243.28
  5. Step 5: Solve for x
    x = 705,243.28/701.56
  6. Step 6: Final answer
    x = 1,005.25

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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.