Finding the Fourth Proportional to 374.19, 516.06 and 324.99
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Solution
The fourth proportional to 374.19, 516.06 and 324.99 is: 448.21
Step by Step Solution
- Step 1: Write the proportion equation
374.19 : 516.06 = 324.99 : x - Step 2: Convert to fraction form
374.19/516.06 = 324.99/x - Step 3: Cross multiply
374.19x = 516.06 × 324.99 - Step 4: Simplify right side
374.19x = 167,714.34 - Step 5: Solve for x
x = 167,714.34/374.19 - Step 6: Final answer
x = 448.21
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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.