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Finding the Fourth Proportional to 233.88, 349.08 and 206.52

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Solution

The fourth proportional to 233.88, 349.08 and 206.52 is: 308.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.88 : 349.08 = 206.52 : x
  2. Step 2: Convert to fraction form
    233.88/349.08 = 206.52/x
  3. Step 3: Cross multiply
    233.88x = 349.08 × 206.52
  4. Step 4: Simplify right side
    233.88x = 72,092.00
  5. Step 5: Solve for x
    x = 72,092.00/233.88
  6. Step 6: Final answer
    x = 308.24

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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.