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Finding the Fourth Proportional to 643.00, 964.33 and 232.06

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Solution

The fourth proportional to 643.00, 964.33 and 232.06 is: 348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    643.00 : 964.33 = 232.06 : x
  2. Step 2: Convert to fraction form
    643.00/964.33 = 232.06/x
  3. Step 3: Cross multiply
    643.00x = 964.33 × 232.06
  4. Step 4: Simplify right side
    643.00x = 223,779.43
  5. Step 5: Solve for x
    x = 223,779.43/643.00
  6. Step 6: Final answer
    x = 348.03

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Double scale
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Similar ratio
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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.