Finding the Fourth Proportional to 460.14, 690.19 and 151.99
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Solution
The fourth proportional to 460.14, 690.19 and 151.99 is: 227.98
Step by Step Solution
- Step 1: Write the proportion equation
460.14 : 690.19 = 151.99 : x - Step 2: Convert to fraction form
460.14/690.19 = 151.99/x - Step 3: Cross multiply
460.14x = 690.19 × 151.99 - Step 4: Simplify right side
460.14x = 104,901.98 - Step 5: Solve for x
x = 104,901.98/460.14 - Step 6: Final answer
x = 227.98
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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.