Finding the Fourth Proportional to 276.19, 416.21 and 236.14
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Solution
The fourth proportional to 276.19, 416.21 and 236.14 is: 355.86
Step by Step Solution
- Step 1: Write the proportion equation
276.19 : 416.21 = 236.14 : x - Step 2: Convert to fraction form
276.19/416.21 = 236.14/x - Step 3: Cross multiply
276.19x = 416.21 × 236.14 - Step 4: Simplify right side
276.19x = 98,283.83 - Step 5: Solve for x
x = 98,283.83/276.19 - Step 6: Final answer
x = 355.86
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.