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Finding the Fourth Proportional to 233.43, 322.12 and 146.14

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Solution

The fourth proportional to 233.43, 322.12 and 146.14 is: 201.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.43 : 322.12 = 146.14 : x
  2. Step 2: Convert to fraction form
    233.43/322.12 = 146.14/x
  3. Step 3: Cross multiply
    233.43x = 322.12 × 146.14
  4. Step 4: Simplify right side
    233.43x = 47,074.62
  5. Step 5: Solve for x
    x = 47,074.62/233.43
  6. Step 6: Final answer
    x = 201.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.