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Finding the Fourth Proportional to 697.01, 1,050.98 and 616.82

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Solution

The fourth proportional to 697.01, 1,050.98 and 616.82 is: 930.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    697.01 : 1,050.98 = 616.82 : x
  2. Step 2: Convert to fraction form
    697.01/1,050.98 = 616.82/x
  3. Step 3: Cross multiply
    697.01x = 1,050.98 × 616.82
  4. Step 4: Simplify right side
    697.01x = 648,257.14
  5. Step 5: Solve for x
    x = 648,257.14/697.01
  6. Step 6: Final answer
    x = 930.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.