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Finding the Fourth Proportional to 617.00, 850.23 and 609.33

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Solution

The fourth proportional to 617.00, 850.23 and 609.33 is: 839.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.00 : 850.23 = 609.33 : x
  2. Step 2: Convert to fraction form
    617.00/850.23 = 609.33/x
  3. Step 3: Cross multiply
    617.00x = 850.23 × 609.33
  4. Step 4: Simplify right side
    617.00x = 518,070.65
  5. Step 5: Solve for x
    x = 518,070.65/617.00
  6. Step 6: Final answer
    x = 839.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.