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Finding the Fourth Proportional to 563.25, 845.23 and 238.62

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Solution

The fourth proportional to 563.25, 845.23 and 238.62 is: 358.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.25 : 845.23 = 238.62 : x
  2. Step 2: Convert to fraction form
    563.25/845.23 = 238.62/x
  3. Step 3: Cross multiply
    563.25x = 845.23 × 238.62
  4. Step 4: Simplify right side
    563.25x = 201,688.75
  5. Step 5: Solve for x
    x = 201,688.75/563.25
  6. Step 6: Final answer
    x = 358.08

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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.