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Finding the Fourth Proportional to 233.30, 347.91 and 204.54

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Solution

The fourth proportional to 233.30, 347.91 and 204.54 is: 305.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.30 : 347.91 = 204.54 : x
  2. Step 2: Convert to fraction form
    233.30/347.91 = 204.54/x
  3. Step 3: Cross multiply
    233.30x = 347.91 × 204.54
  4. Step 4: Simplify right side
    233.30x = 71,161.51
  5. Step 5: Solve for x
    x = 71,161.51/233.30
  6. Step 6: Final answer
    x = 305.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.