Finding the Fourth Proportional to 232.68, 349.08 and 117.18
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Solution
The fourth proportional to 232.68, 349.08 and 117.18 is: 175.80
Step by Step Solution
- Step 1: Write the proportion equation
232.68 : 349.08 = 117.18 : x - Step 2: Convert to fraction form
232.68/349.08 = 117.18/x - Step 3: Cross multiply
232.68x = 349.08 × 117.18 - Step 4: Simplify right side
232.68x = 40,905.19 - Step 5: Solve for x
x = 40,905.19/232.68 - Step 6: Final answer
x = 175.80
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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.