Finding the Fourth Proportional to 214.70, 322.04 and 104.99
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Solution
The fourth proportional to 214.70, 322.04 and 104.99 is: 157.48
Step by Step Solution
- Step 1: Write the proportion equation
214.70 : 322.04 = 104.99 : x - Step 2: Convert to fraction form
214.70/322.04 = 104.99/x - Step 3: Cross multiply
214.70x = 322.04 × 104.99 - Step 4: Simplify right side
214.70x = 33,809.63 - Step 5: Solve for x
x = 33,809.63/214.70 - Step 6: Final answer
x = 157.48
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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.