Finding the Fourth Proportional to 214.05, 320.62 and 155.99
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Solution
The fourth proportional to 214.05, 320.62 and 155.99 is: 233.65
Step by Step Solution
- Step 1: Write the proportion equation
214.05 : 320.62 = 155.99 : x - Step 2: Convert to fraction form
214.05/320.62 = 155.99/x - Step 3: Cross multiply
214.05x = 320.62 × 155.99 - Step 4: Simplify right side
214.05x = 50,012.73 - Step 5: Solve for x
x = 50,012.73/214.05 - Step 6: Final answer
x = 233.65
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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.