Finding the Fourth Proportional to 230.85, 347.09 and 193.19
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Solution
The fourth proportional to 230.85, 347.09 and 193.19 is: 290.46
Step by Step Solution
- Step 1: Write the proportion equation
230.85 : 347.09 = 193.19 : x - Step 2: Convert to fraction form
230.85/347.09 = 193.19/x - Step 3: Cross multiply
230.85x = 347.09 × 193.19 - Step 4: Simplify right side
230.85x = 67,051.62 - Step 5: Solve for x
x = 67,051.62/230.85 - Step 6: Final answer
x = 290.46
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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.