Finding the Fourth Proportional to 272.58, 409 and 110.36
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Solution
The fourth proportional to 272.58, 409 and 110.36 is: 165.59
Step by Step Solution
- Step 1: Write the proportion equation
272.58 : 409 = 110.36 : x - Step 2: Convert to fraction form
272.58/409 = 110.36/x - Step 3: Cross multiply
272.58x = 409 × 110.36 - Step 4: Simplify right side
272.58x = 45,137.24 - Step 5: Solve for x
x = 45,137.24/272.58 - Step 6: Final answer
x = 165.59
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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.