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Finding the Fourth Proportional to 620.52, 929.94 and 563.88

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Solution

The fourth proportional to 620.52, 929.94 and 563.88 is: 845.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    620.52 : 929.94 = 563.88 : x
  2. Step 2: Convert to fraction form
    620.52/929.94 = 563.88/x
  3. Step 3: Cross multiply
    620.52x = 929.94 × 563.88
  4. Step 4: Simplify right side
    620.52x = 524,374.57
  5. Step 5: Solve for x
    x = 524,374.57/620.52
  6. Step 6: Final answer
    x = 845.06

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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.