Finding the Fourth Proportional to 308.52, 425.58 and 192
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Solution
The fourth proportional to 308.52, 425.58 and 192 is: 264.85
Step by Step Solution
- Step 1: Write the proportion equation
308.52 : 425.58 = 192 : x - Step 2: Convert to fraction form
308.52/425.58 = 192/x - Step 3: Cross multiply
308.52x = 425.58 × 192 - Step 4: Simplify right side
308.52x = 81,711.36 - Step 5: Solve for x
x = 81,711.36/308.52 - Step 6: Final answer
x = 264.85
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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.