Finding the Fourth Proportional to 361.19, 541.67 and 117.68
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Solution
The fourth proportional to 361.19, 541.67 and 117.68 is: 176.48
Step by Step Solution
- Step 1: Write the proportion equation
361.19 : 541.67 = 117.68 : x - Step 2: Convert to fraction form
361.19/541.67 = 117.68/x - Step 3: Cross multiply
361.19x = 541.67 × 117.68 - Step 4: Simplify right side
361.19x = 63,740.43 - Step 5: Solve for x
x = 63,740.43/361.19 - Step 6: Final answer
x = 176.48
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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.