Finding the Fourth Proportional to 369.06, 509.14 and 211.68
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Solution
The fourth proportional to 369.06, 509.14 and 211.68 is: 292.03
Step by Step Solution
- Step 1: Write the proportion equation
369.06 : 509.14 = 211.68 : x - Step 2: Convert to fraction form
369.06/509.14 = 211.68/x - Step 3: Cross multiply
369.06x = 509.14 × 211.68 - Step 4: Simplify right side
369.06x = 107,774.76 - Step 5: Solve for x
x = 107,774.76/369.06 - Step 6: Final answer
x = 292.03
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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.