Finding the Fourth Proportional to 135.10, 202.68 and 63.01
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Solution
The fourth proportional to 135.10, 202.68 and 63.01 is: 94.53
Step by Step Solution
- Step 1: Write the proportion equation
135.10 : 202.68 = 63.01 : x - Step 2: Convert to fraction form
135.10/202.68 = 63.01/x - Step 3: Cross multiply
135.10x = 202.68 × 63.01 - Step 4: Simplify right side
135.10x = 12,770.87 - Step 5: Solve for x
x = 12,770.87/135.10 - Step 6: Final answer
x = 94.53
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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.