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Finding the Fourth Proportional to 347.33, 520.26 and 225.23

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Solution

The fourth proportional to 347.33, 520.26 and 225.23 is: 337.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    347.33 : 520.26 = 225.23 : x
  2. Step 2: Convert to fraction form
    347.33/520.26 = 225.23/x
  3. Step 3: Cross multiply
    347.33x = 520.26 × 225.23
  4. Step 4: Simplify right side
    347.33x = 117,178.16
  5. Step 5: Solve for x
    x = 117,178.16/347.33
  6. Step 6: Final answer
    x = 337.37

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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.