Finding the Fourth Proportional to 233.18, 349.62 and 198.96
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Solution
The fourth proportional to 233.18, 349.62 and 198.96 is: 298.32
Step by Step Solution
- Step 1: Write the proportion equation
233.18 : 349.62 = 198.96 : x - Step 2: Convert to fraction form
233.18/349.62 = 198.96/x - Step 3: Cross multiply
233.18x = 349.62 × 198.96 - Step 4: Simplify right side
233.18x = 69,560.40 - Step 5: Solve for x
x = 69,560.40/233.18 - Step 6: Final answer
x = 298.32
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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.