Finding the Fourth Proportional to 277.35, 415.97 and 132.99
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Solution
The fourth proportional to 277.35, 415.97 and 132.99 is: 199.46
Step by Step Solution
- Step 1: Write the proportion equation
277.35 : 415.97 = 132.99 : x - Step 2: Convert to fraction form
277.35/415.97 = 132.99/x - Step 3: Cross multiply
277.35x = 415.97 × 132.99 - Step 4: Simplify right side
277.35x = 55,319.19 - Step 5: Solve for x
x = 55,319.19/277.35 - Step 6: Final answer
x = 199.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.