Finding the Fourth Proportional to 359.91, 496.71 and 228.96
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Solution
The fourth proportional to 359.91, 496.71 and 228.96 is: 315.99
Step by Step Solution
- Step 1: Write the proportion equation
359.91 : 496.71 = 228.96 : x - Step 2: Convert to fraction form
359.91/496.71 = 228.96/x - Step 3: Cross multiply
359.91x = 496.71 × 228.96 - Step 4: Simplify right side
359.91x = 113,726.72 - Step 5: Solve for x
x = 113,726.72/359.91 - Step 6: Final answer
x = 315.99
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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.