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Finding the Fourth Proportional to 229.94, 344.90 and 58.94

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Solution

The fourth proportional to 229.94, 344.90 and 58.94 is: 88.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.94 : 344.90 = 58.94 : x
  2. Step 2: Convert to fraction form
    229.94/344.90 = 58.94/x
  3. Step 3: Cross multiply
    229.94x = 344.90 × 58.94
  4. Step 4: Simplify right side
    229.94x = 20,328.41
  5. Step 5: Solve for x
    x = 20,328.41/229.94
  6. Step 6: Final answer
    x = 88.41

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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.