Finding the Fourth Proportional to 135.29, 202.79 and 63
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Solution
The fourth proportional to 135.29, 202.79 and 63 is: 94.43
Step by Step Solution
- Step 1: Write the proportion equation
135.29 : 202.79 = 63 : x - Step 2: Convert to fraction form
135.29/202.79 = 63/x - Step 3: Cross multiply
135.29x = 202.79 × 63 - Step 4: Simplify right side
135.29x = 12,775.93 - Step 5: Solve for x
x = 12,775.93/135.29 - 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.