Finding the Fourth Proportional to 392.44, 588.36 and 228
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Solution
The fourth proportional to 392.44, 588.36 and 228 is: 341.83
Step by Step Solution
- Step 1: Write the proportion equation
392.44 : 588.36 = 228 : x - Step 2: Convert to fraction form
392.44/588.36 = 228/x - Step 3: Cross multiply
392.44x = 588.36 × 228 - Step 4: Simplify right side
392.44x = 134,146.08 - Step 5: Solve for x
x = 134,146.08/392.44 - Step 6: Final answer
x = 341.83
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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.