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Finding the Fourth Proportional to 344.00, 515.67 and 190.01

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Solution

The fourth proportional to 344.00, 515.67 and 190.01 is: 284.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.00 : 515.67 = 190.01 : x
  2. Step 2: Convert to fraction form
    344.00/515.67 = 190.01/x
  3. Step 3: Cross multiply
    344.00x = 515.67 × 190.01
  4. Step 4: Simplify right side
    344.00x = 97,979.88
  5. Step 5: Solve for x
    x = 97,979.88/344.00
  6. Step 6: Final answer
    x = 284.83

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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.