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Finding the Fourth Proportional to 600.65, 829.63 and 434.60

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Solution

The fourth proportional to 600.65, 829.63 and 434.60 is: 600.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.65 : 829.63 = 434.60 : x
  2. Step 2: Convert to fraction form
    600.65/829.63 = 434.60/x
  3. Step 3: Cross multiply
    600.65x = 829.63 × 434.60
  4. Step 4: Simplify right side
    600.65x = 360,556.70
  5. Step 5: Solve for x
    x = 360,556.70/600.65
  6. Step 6: Final answer
    x = 600.28

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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.