Finding the Fourth Proportional to 202.49, 279.43 and 119.58
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Solution
The fourth proportional to 202.49, 279.43 and 119.58 is: 165.02
Step by Step Solution
- Step 1: Write the proportion equation
202.49 : 279.43 = 119.58 : x - Step 2: Convert to fraction form
202.49/279.43 = 119.58/x - Step 3: Cross multiply
202.49x = 279.43 × 119.58 - Step 4: Simplify right side
202.49x = 33,414.24 - Step 5: Solve for x
x = 33,414.24/202.49 - Step 6: Final answer
x = 165.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.