Home / 643.00-964.48-232.14

Finding the Fourth Proportional to 643.00, 964.48 and 232.14

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Solution

The fourth proportional to 643.00, 964.48 and 232.14 is: 348.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    643.00 : 964.48 = 232.14 : x
  2. Step 2: Convert to fraction form
    643.00/964.48 = 232.14/x
  3. Step 3: Cross multiply
    643.00x = 964.48 × 232.14
  4. Step 4: Simplify right side
    643.00x = 223,895.80
  5. Step 5: Solve for x
    x = 223,895.80/643.00
  6. Step 6: Final answer
    x = 348.20

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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.