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Finding the Fourth Proportional to 233.79, 350.25 and 146.94

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Solution

The fourth proportional to 233.79, 350.25 and 146.94 is: 220.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.79 : 350.25 = 146.94 : x
  2. Step 2: Convert to fraction form
    233.79/350.25 = 146.94/x
  3. Step 3: Cross multiply
    233.79x = 350.25 × 146.94
  4. Step 4: Simplify right side
    233.79x = 51,465.74
  5. Step 5: Solve for x
    x = 51,465.74/233.79
  6. Step 6: Final answer
    x = 220.14

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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.