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Finding the Fourth Proportional to 655.14, 979.06 and 533.54

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Solution

The fourth proportional to 655.14, 979.06 and 533.54 is: 797.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    655.14 : 979.06 = 533.54 : x
  2. Step 2: Convert to fraction form
    655.14/979.06 = 533.54/x
  3. Step 3: Cross multiply
    655.14x = 979.06 × 533.54
  4. Step 4: Simplify right side
    655.14x = 522,367.67
  5. Step 5: Solve for x
    x = 522,367.67/655.14
  6. Step 6: Final answer
    x = 797.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.