Finding the Fourth Proportional to 232.40, 348.71 and 214.99
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Solution
The fourth proportional to 232.40, 348.71 and 214.99 is: 322.57
Step by Step Solution
- Step 1: Write the proportion equation
232.40 : 348.71 = 214.99 : x - Step 2: Convert to fraction form
232.40/348.71 = 214.99/x - Step 3: Cross multiply
232.40x = 348.71 × 214.99 - Step 4: Simplify right side
232.40x = 74,967.22 - Step 5: Solve for x
x = 74,967.22/232.40 - Step 6: Final answer
x = 322.57
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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.