Finding the Fourth Proportional to 305.68, 459.08 and 240.88
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Solution
The fourth proportional to 305.68, 459.08 and 240.88 is: 361.76
Step by Step Solution
- Step 1: Write the proportion equation
305.68 : 459.08 = 240.88 : x - Step 2: Convert to fraction form
305.68/459.08 = 240.88/x - Step 3: Cross multiply
305.68x = 459.08 × 240.88 - Step 4: Simplify right side
305.68x = 110,583.19 - Step 5: Solve for x
x = 110,583.19/305.68 - Step 6: Final answer
x = 361.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.