Finding the Fourth Proportional to 419.62, 629.23 and 202.95
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Solution
The fourth proportional to 419.62, 629.23 and 202.95 is: 304.33
Step by Step Solution
- Step 1: Write the proportion equation
419.62 : 629.23 = 202.95 : x - Step 2: Convert to fraction form
419.62/629.23 = 202.95/x - Step 3: Cross multiply
419.62x = 629.23 × 202.95 - Step 4: Simplify right side
419.62x = 127,702.23 - Step 5: Solve for x
x = 127,702.23/419.62 - Step 6: Final answer
x = 304.33
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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.