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Finding the Fourth Proportional to 697.53, 963.05 and 566.85

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Solution

The fourth proportional to 697.53, 963.05 and 566.85 is: 782.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    697.53 : 963.05 = 566.85 : x
  2. Step 2: Convert to fraction form
    697.53/963.05 = 566.85/x
  3. Step 3: Cross multiply
    697.53x = 963.05 × 566.85
  4. Step 4: Simplify right side
    697.53x = 545,902.06
  5. Step 5: Solve for x
    x = 545,902.06/697.53
  6. Step 6: Final answer
    x = 782.62

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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.