Finding the Fourth Proportional to 511.67, 706.29 and 456.99
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Solution
The fourth proportional to 511.67, 706.29 and 456.99 is: 630.82
Step by Step Solution
- Step 1: Write the proportion equation
511.67 : 706.29 = 456.99 : x - Step 2: Convert to fraction form
511.67/706.29 = 456.99/x - Step 3: Cross multiply
511.67x = 706.29 × 456.99 - Step 4: Simplify right side
511.67x = 322,770.93 - Step 5: Solve for x
x = 322,770.93/511.67 - Step 6: Final answer
x = 630.82
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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.