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Finding the Fourth Proportional to 701.98, 1,054 and 581.01

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Solution

The fourth proportional to 701.98, 1,054 and 581.01 is: 872.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.98 : 1,054 = 581.01 : x
  2. Step 2: Convert to fraction form
    701.98/1,054 = 581.01/x
  3. Step 3: Cross multiply
    701.98x = 1,054 × 581.01
  4. Step 4: Simplify right side
    701.98x = 612,384.54
  5. Step 5: Solve for x
    x = 612,384.54/701.98
  6. Step 6: Final answer
    x = 872.37

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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.