Finding the Fourth Proportional to 204.97, 307.36 and 76.63
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Solution
The fourth proportional to 204.97, 307.36 and 76.63 is: 114.90
Step by Step Solution
- Step 1: Write the proportion equation
204.97 : 307.36 = 76.63 : x - Step 2: Convert to fraction form
204.97/307.36 = 76.63/x - Step 3: Cross multiply
204.97x = 307.36 × 76.63 - Step 4: Simplify right side
204.97x = 23,551.08 - Step 5: Solve for x
x = 23,551.08/204.97 - Step 6: Final answer
x = 114.90
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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.