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Finding the Fourth Proportional to 606.19, 908.64 and 345.62

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Solution

The fourth proportional to 606.19, 908.64 and 345.62 is: 518.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.19 : 908.64 = 345.62 : x
  2. Step 2: Convert to fraction form
    606.19/908.64 = 345.62/x
  3. Step 3: Cross multiply
    606.19x = 908.64 × 345.62
  4. Step 4: Simplify right side
    606.19x = 314,044.16
  5. Step 5: Solve for x
    x = 314,044.16/606.19
  6. Step 6: Final answer
    x = 518.06

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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.