Finding the Fourth Proportional to 202.99, 279.44 and 176.40
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Solution
The fourth proportional to 202.99, 279.44 and 176.40 is: 242.84
Step by Step Solution
- Step 1: Write the proportion equation
202.99 : 279.44 = 176.40 : x - Step 2: Convert to fraction form
202.99/279.44 = 176.40/x - Step 3: Cross multiply
202.99x = 279.44 × 176.40 - Step 4: Simplify right side
202.99x = 49,293.22 - Step 5: Solve for x
x = 49,293.22/202.99 - Step 6: Final answer
x = 242.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.