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Finding the Fourth Proportional to 2.33, 3.50 and 1.00

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Solution

The fourth proportional to 2.33, 3.50 and 1.00 is: 1.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.33 : 3.50 = 1.00 : x
  2. Step 2: Convert to fraction form
    2.33/3.50 = 1.00/x
  3. Step 3: Cross multiply
    2.33x = 3.50 × 1.00
  4. Step 4: Simplify right side
    2.33x = 3.49
  5. Step 5: Solve for x
    x = 3.49/2.33
  6. Step 6: Final answer
    x = 1.50

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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.