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Finding the Fourth Proportional to 233.57, 349.67 and 146.62

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Solution

The fourth proportional to 233.57, 349.67 and 146.62 is: 219.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.57 : 349.67 = 146.62 : x
  2. Step 2: Convert to fraction form
    233.57/349.67 = 146.62/x
  3. Step 3: Cross multiply
    233.57x = 349.67 × 146.62
  4. Step 4: Simplify right side
    233.57x = 51,268.62
  5. Step 5: Solve for x
    x = 51,268.62/233.57
  6. Step 6: Final answer
    x = 219.50

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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.