Finding the Fourth Proportional to 195.08, 291.09 and 193.73
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Solution
The fourth proportional to 195.08, 291.09 and 193.73 is: 289.08
Step by Step Solution
- Step 1: Write the proportion equation
195.08 : 291.09 = 193.73 : x - Step 2: Convert to fraction form
195.08/291.09 = 193.73/x - Step 3: Cross multiply
195.08x = 291.09 × 193.73 - Step 4: Simplify right side
195.08x = 56,392.14 - Step 5: Solve for x
x = 56,392.14/195.08 - Step 6: Final answer
x = 289.08
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.