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Finding the Fourth Proportional to 563.82, 845.67 and 152.94

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Solution

The fourth proportional to 563.82, 845.67 and 152.94 is: 229.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.82 : 845.67 = 152.94 : x
  2. Step 2: Convert to fraction form
    563.82/845.67 = 152.94/x
  3. Step 3: Cross multiply
    563.82x = 845.67 × 152.94
  4. Step 4: Simplify right side
    563.82x = 129,336.77
  5. Step 5: Solve for x
    x = 129,336.77/563.82
  6. Step 6: Final answer
    x = 229.39

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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.