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Finding the Fourth Proportional to 606.09, 906.90 and 375.10

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Solution

The fourth proportional to 606.09, 906.90 and 375.10 is: 561.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.09 : 906.90 = 375.10 : x
  2. Step 2: Convert to fraction form
    606.09/906.90 = 375.10/x
  3. Step 3: Cross multiply
    606.09x = 906.90 × 375.10
  4. Step 4: Simplify right side
    606.09x = 340,178.19
  5. Step 5: Solve for x
    x = 340,178.19/606.09
  6. Step 6: Final answer
    x = 561.27

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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.