Finding the Fourth Proportional to 277.21, 382.26 and 237.99
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Solution
The fourth proportional to 277.21, 382.26 and 237.99 is: 328.18
Step by Step Solution
- Step 1: Write the proportion equation
277.21 : 382.26 = 237.99 : x - Step 2: Convert to fraction form
277.21/382.26 = 237.99/x - Step 3: Cross multiply
277.21x = 382.26 × 237.99 - Step 4: Simplify right side
277.21x = 90,974.06 - Step 5: Solve for x
x = 90,974.06/277.21 - Step 6: Final answer
x = 328.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.