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Finding the Fourth Proportional to 555.73, 834.57 and 533.69

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Solution

The fourth proportional to 555.73, 834.57 and 533.69 is: 801.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.73 : 834.57 = 533.69 : x
  2. Step 2: Convert to fraction form
    555.73/834.57 = 533.69/x
  3. Step 3: Cross multiply
    555.73x = 834.57 × 533.69
  4. Step 4: Simplify right side
    555.73x = 445,400.62
  5. Step 5: Solve for x
    x = 445,400.62/555.73
  6. Step 6: Final answer
    x = 801.47

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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.