Finding the Fourth Proportional to 202.96, 279.98 and 132.99
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Solution
The fourth proportional to 202.96, 279.98 and 132.99 is: 183.46
Step by Step Solution
- Step 1: Write the proportion equation
202.96 : 279.98 = 132.99 : x - Step 2: Convert to fraction form
202.96/279.98 = 132.99/x - Step 3: Cross multiply
202.96x = 279.98 × 132.99 - Step 4: Simplify right side
202.96x = 37,234.54 - Step 5: Solve for x
x = 37,234.54/202.96 - Step 6: Final answer
x = 183.46
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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.