Finding the Fourth Proportional to 135.23, 202.68 and 63
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Solution
The fourth proportional to 135.23, 202.68 and 63 is: 94.43
Step by Step Solution
- Step 1: Write the proportion equation
135.23 : 202.68 = 63 : x - Step 2: Convert to fraction form
135.23/202.68 = 63/x - Step 3: Cross multiply
135.23x = 202.68 × 63 - Step 4: Simplify right side
135.23x = 12,768.84 - Step 5: Solve for x
x = 12,768.84/135.23 - Step 6: Final answer
x = 94.43
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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.