Finding the Fourth Proportional to 135.37, 203.08 and 63.19
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Solution
The fourth proportional to 135.37, 203.08 and 63.19 is: 94.80
Step by Step Solution
- Step 1: Write the proportion equation
135.37 : 203.08 = 63.19 : x - Step 2: Convert to fraction form
135.37/203.08 = 63.19/x - Step 3: Cross multiply
135.37x = 203.08 × 63.19 - Step 4: Simplify right side
135.37x = 12,832.20 - Step 5: Solve for x
x = 12,832.20/135.37 - Step 6: Final answer
x = 94.80
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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.