Finding the Fourth Proportional to 277.48, 415.99 and 104.05
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Solution
The fourth proportional to 277.48, 415.99 and 104.05 is: 155.99
Step by Step Solution
- Step 1: Write the proportion equation
277.48 : 415.99 = 104.05 : x - Step 2: Convert to fraction form
277.48/415.99 = 104.05/x - Step 3: Cross multiply
277.48x = 415.99 × 104.05 - Step 4: Simplify right side
277.48x = 43,283.76 - Step 5: Solve for x
x = 43,283.76/277.48 - Step 6: Final answer
x = 155.99
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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.