Finding the Fourth Proportional to 56.79, 85.32 and 33.99
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Solution
The fourth proportional to 56.79, 85.32 and 33.99 is: 51.07
Step by Step Solution
- Step 1: Write the proportion equation
56.79 : 85.32 = 33.99 : x - Step 2: Convert to fraction form
56.79/85.32 = 33.99/x - Step 3: Cross multiply
56.79x = 85.32 × 33.99 - Step 4: Simplify right side
56.79x = 2,900.03 - Step 5: Solve for x
x = 2,900.03/56.79 - Step 6: Final answer
x = 51.07
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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.