Finding the Fourth Proportional to 344.61, 517.07 and 161.99
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Solution
The fourth proportional to 344.61, 517.07 and 161.99 is: 243.06
Step by Step Solution
- Step 1: Write the proportion equation
344.61 : 517.07 = 161.99 : x - Step 2: Convert to fraction form
344.61/517.07 = 161.99/x - Step 3: Cross multiply
344.61x = 517.07 × 161.99 - Step 4: Simplify right side
344.61x = 83,759.36 - Step 5: Solve for x
x = 83,759.36/344.61 - Step 6: Final answer
x = 243.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.