Finding the Fourth Proportional to 420, 629.44 and 237.44
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Solution
The fourth proportional to 420, 629.44 and 237.44 is: 355.84
Step by Step Solution
- Step 1: Write the proportion equation
420 : 629.44 = 237.44 : x - Step 2: Convert to fraction form
420/629.44 = 237.44/x - Step 3: Cross multiply
420x = 629.44 × 237.44 - Step 4: Simplify right side
420x = 149,454.23 - Step 5: Solve for x
x = 149,454.23/420 - Step 6: Final answer
x = 355.84
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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.