Finding the Fourth Proportional to 252.23, 348.08 and 152.67
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Solution
The fourth proportional to 252.23, 348.08 and 152.67 is: 210.69
Step by Step Solution
- Step 1: Write the proportion equation
252.23 : 348.08 = 152.67 : x - Step 2: Convert to fraction form
252.23/348.08 = 152.67/x - Step 3: Cross multiply
252.23x = 348.08 × 152.67 - Step 4: Simplify right side
252.23x = 53,142.24 - Step 5: Solve for x
x = 53,142.24/252.23 - Step 6: Final answer
x = 210.69
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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.