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Finding the Fourth Proportional to 613.00, 919.62 and 202.17

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Solution

The fourth proportional to 613.00, 919.62 and 202.17 is: 303.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    613.00 : 919.62 = 202.17 : x
  2. Step 2: Convert to fraction form
    613.00/919.62 = 202.17/x
  3. Step 3: Cross multiply
    613.00x = 919.62 × 202.17
  4. Step 4: Simplify right side
    613.00x = 185,919.14
  5. Step 5: Solve for x
    x = 185,919.14/613.00
  6. Step 6: Final answer
    x = 303.29

Related Problems

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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.