Finding the Fourth Proportional to 277.64, 415.99 and 174.67
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Solution
The fourth proportional to 277.64, 415.99 and 174.67 is: 261.71
Step by Step Solution
- Step 1: Write the proportion equation
277.64 : 415.99 = 174.67 : x - Step 2: Convert to fraction form
277.64/415.99 = 174.67/x - Step 3: Cross multiply
277.64x = 415.99 × 174.67 - Step 4: Simplify right side
277.64x = 72,660.97 - Step 5: Solve for x
x = 72,660.97/277.64 - Step 6: Final answer
x = 261.71
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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.