Finding the Fourth Proportional to 375.36, 518.08 and 228
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Solution
The fourth proportional to 375.36, 518.08 and 228 is: 314.69
Step by Step Solution
- Step 1: Write the proportion equation
375.36 : 518.08 = 228 : x - Step 2: Convert to fraction form
375.36/518.08 = 228/x - Step 3: Cross multiply
375.36x = 518.08 × 228 - Step 4: Simplify right side
375.36x = 118,122.24 - Step 5: Solve for x
x = 118,122.24/375.36 - Step 6: Final answer
x = 314.69
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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.