Finding the Fourth Proportional to 214.97, 322.18 and 93.11
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Solution
The fourth proportional to 214.97, 322.18 and 93.11 is: 139.55
Step by Step Solution
- Step 1: Write the proportion equation
214.97 : 322.18 = 93.11 : x - Step 2: Convert to fraction form
214.97/322.18 = 93.11/x - Step 3: Cross multiply
214.97x = 322.18 × 93.11 - Step 4: Simplify right side
214.97x = 29,998.18 - Step 5: Solve for x
x = 29,998.18/214.97 - Step 6: Final answer
x = 139.55
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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.