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Finding the Fourth Proportional to 606.14, 908.67 and 317.51

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Solution

The fourth proportional to 606.14, 908.67 and 317.51 is: 475.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.14 : 908.67 = 317.51 : x
  2. Step 2: Convert to fraction form
    606.14/908.67 = 317.51/x
  3. Step 3: Cross multiply
    606.14x = 908.67 × 317.51
  4. Step 4: Simplify right side
    606.14x = 288,511.81
  5. Step 5: Solve for x
    x = 288,511.81/606.14
  6. Step 6: Final answer
    x = 475.98

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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.