Finding the Fourth Proportional to 392.10, 541.26 and 252.23
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Solution
The fourth proportional to 392.10, 541.26 and 252.23 is: 348.17
Step by Step Solution
- Step 1: Write the proportion equation
392.10 : 541.26 = 252.23 : x - Step 2: Convert to fraction form
392.10/541.26 = 252.23/x - Step 3: Cross multiply
392.10x = 541.26 × 252.23 - Step 4: Simplify right side
392.10x = 136,519.30 - Step 5: Solve for x
x = 136,519.30/392.10 - Step 6: Final answer
x = 348.17
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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.