Finding the Fourth Proportional to 59.58, 82.21 and 32.99
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Solution
The fourth proportional to 59.58, 82.21 and 32.99 is: 45.53
Step by Step Solution
- Step 1: Write the proportion equation
59.58 : 82.21 = 32.99 : x - Step 2: Convert to fraction form
59.58/82.21 = 32.99/x - Step 3: Cross multiply
59.58x = 82.21 × 32.99 - Step 4: Simplify right side
59.58x = 2,712.22 - Step 5: Solve for x
x = 2,712.22/59.58 - Step 6: Final answer
x = 45.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.