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Finding the Fourth Proportional to 233.39, 349.99 and 103.39

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Solution

The fourth proportional to 233.39, 349.99 and 103.39 is: 155.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.39 : 349.99 = 103.39 : x
  2. Step 2: Convert to fraction form
    233.39/349.99 = 103.39/x
  3. Step 3: Cross multiply
    233.39x = 349.99 × 103.39
  4. Step 4: Simplify right side
    233.39x = 36,184.33
  5. Step 5: Solve for x
    x = 36,184.33/233.39
  6. Step 6: Final answer
    x = 155.04

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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.