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Finding the Fourth Proportional to 563.48, 844.30 and 346.44

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Solution

The fourth proportional to 563.48, 844.30 and 346.44 is: 519.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.48 : 844.30 = 346.44 : x
  2. Step 2: Convert to fraction form
    563.48/844.30 = 346.44/x
  3. Step 3: Cross multiply
    563.48x = 844.30 × 346.44
  4. Step 4: Simplify right side
    563.48x = 292,499.29
  5. Step 5: Solve for x
    x = 292,499.29/563.48
  6. Step 6: Final answer
    x = 519.09

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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.