Finding the Fourth Proportional to 135.02, 201.70 and 108.02
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Solution
The fourth proportional to 135.02, 201.70 and 108.02 is: 161.37
Step by Step Solution
- Step 1: Write the proportion equation
135.02 : 201.70 = 108.02 : x - Step 2: Convert to fraction form
135.02/201.70 = 108.02/x - Step 3: Cross multiply
135.02x = 201.70 × 108.02 - Step 4: Simplify right side
135.02x = 21,787.63 - Step 5: Solve for x
x = 21,787.63/135.02 - Step 6: Final answer
x = 161.37
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.