Finding the Fourth Proportional to 135.08, 202.95 and 130.22
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Solution
The fourth proportional to 135.08, 202.95 and 130.22 is: 195.65
Step by Step Solution
- Step 1: Write the proportion equation
135.08 : 202.95 = 130.22 : x - Step 2: Convert to fraction form
135.08/202.95 = 130.22/x - Step 3: Cross multiply
135.08x = 202.95 × 130.22 - Step 4: Simplify right side
135.08x = 26,428.15 - Step 5: Solve for x
x = 26,428.15/135.08 - Step 6: Final answer
x = 195.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.