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Finding the Fourth Proportional to 606.35, 914.19 and 486.07

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Solution

The fourth proportional to 606.35, 914.19 and 486.07 is: 732.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.35 : 914.19 = 486.07 : x
  2. Step 2: Convert to fraction form
    606.35/914.19 = 486.07/x
  3. Step 3: Cross multiply
    606.35x = 914.19 × 486.07
  4. Step 4: Simplify right side
    606.35x = 444,356.23
  5. Step 5: Solve for x
    x = 444,356.23/606.35
  6. Step 6: Final answer
    x = 732.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.