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Finding the Fourth Proportional to 697.07, 961.00 and 675.54

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Solution

The fourth proportional to 697.07, 961.00 and 675.54 is: 931.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    697.07 : 961.00 = 675.54 : x
  2. Step 2: Convert to fraction form
    697.07/961.00 = 675.54/x
  3. Step 3: Cross multiply
    697.07x = 961.00 × 675.54
  4. Step 4: Simplify right side
    697.07x = 649,192.25
  5. Step 5: Solve for x
    x = 649,192.25/697.07
  6. Step 6: Final answer
    x = 931.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.