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Finding the Fourth Proportional to 146.03, 219.09 and 143.33

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Solution

The fourth proportional to 146.03, 219.09 and 143.33 is: 215.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.03 : 219.09 = 143.33 : x
  2. Step 2: Convert to fraction form
    146.03/219.09 = 143.33/x
  3. Step 3: Cross multiply
    146.03x = 219.09 × 143.33
  4. Step 4: Simplify right side
    146.03x = 31,402.17
  5. Step 5: Solve for x
    x = 31,402.17/146.03
  6. Step 6: Final answer
    x = 215.04

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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.