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Finding the Fourth Proportional to 563.90, 846.06 and 239.52

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Solution

The fourth proportional to 563.90, 846.06 and 239.52 is: 359.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.90 : 846.06 = 239.52 : x
  2. Step 2: Convert to fraction form
    563.90/846.06 = 239.52/x
  3. Step 3: Cross multiply
    563.90x = 846.06 × 239.52
  4. Step 4: Simplify right side
    563.90x = 202,648.29
  5. Step 5: Solve for x
    x = 202,648.29/563.90
  6. Step 6: Final answer
    x = 359.37

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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.