Finding the Fourth Proportional to 205.29, 307.58 and 132.99
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Solution
The fourth proportional to 205.29, 307.58 and 132.99 is: 199.26
Step by Step Solution
- Step 1: Write the proportion equation
205.29 : 307.58 = 132.99 : x - Step 2: Convert to fraction form
205.29/307.58 = 132.99/x - Step 3: Cross multiply
205.29x = 307.58 × 132.99 - Step 4: Simplify right side
205.29x = 40,905.06 - Step 5: Solve for x
x = 40,905.06/205.29 - Step 6: Final answer
x = 199.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.