Finding the Fourth Proportional to 135.19, 202.77 and 43.95
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Solution
The fourth proportional to 135.19, 202.77 and 43.95 is: 65.92
Step by Step Solution
- Step 1: Write the proportion equation
135.19 : 202.77 = 43.95 : x - Step 2: Convert to fraction form
135.19/202.77 = 43.95/x - Step 3: Cross multiply
135.19x = 202.77 × 43.95 - Step 4: Simplify right side
135.19x = 8,911.74 - Step 5: Solve for x
x = 8,911.74/135.19 - Step 6: Final answer
x = 65.92
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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.