Finding the Fourth Proportional to 386.46, 533.18 and 237.08
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Solution
The fourth proportional to 386.46, 533.18 and 237.08 is: 327.09
Step by Step Solution
- Step 1: Write the proportion equation
386.46 : 533.18 = 237.08 : x - Step 2: Convert to fraction form
386.46/533.18 = 237.08/x - Step 3: Cross multiply
386.46x = 533.18 × 237.08 - Step 4: Simplify right side
386.46x = 126,408.24 - Step 5: Solve for x
x = 126,408.24/386.46 - Step 6: Final answer
x = 327.09
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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.