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Finding the Fourth Proportional to 609.93, 845.91 and 602.64

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Solution

The fourth proportional to 609.93, 845.91 and 602.64 is: 835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.93 : 845.91 = 602.64 : x
  2. Step 2: Convert to fraction form
    609.93/845.91 = 602.64/x
  3. Step 3: Cross multiply
    609.93x = 845.91 × 602.64
  4. Step 4: Simplify right side
    609.93x = 509,779.20
  5. Step 5: Solve for x
    x = 509,779.20/609.93
  6. Step 6: Final answer
    x = 835.80

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.