Finding the Fourth Proportional to 330.87, 495.99 and 135.84
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Solution
The fourth proportional to 330.87, 495.99 and 135.84 is: 203.63
Step by Step Solution
- Step 1: Write the proportion equation
330.87 : 495.99 = 135.84 : x - Step 2: Convert to fraction form
330.87/495.99 = 135.84/x - Step 3: Cross multiply
330.87x = 495.99 × 135.84 - Step 4: Simplify right side
330.87x = 67,375.28 - Step 5: Solve for x
x = 67,375.28/330.87 - Step 6: Final answer
x = 203.63
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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.