Finding the Fourth Proportional to 361.05, 541.70 and 207.08
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Solution
The fourth proportional to 361.05, 541.70 and 207.08 is: 310.69
Step by Step Solution
- Step 1: Write the proportion equation
361.05 : 541.70 = 207.08 : x - Step 2: Convert to fraction form
361.05/541.70 = 207.08/x - Step 3: Cross multiply
361.05x = 541.70 × 207.08 - Step 4: Simplify right side
361.05x = 112,175.24 - Step 5: Solve for x
x = 112,175.24/361.05 - Step 6: Final answer
x = 310.69
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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.