Finding the Fourth Proportional to 59.22, 81.72 and 32.99
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Solution
The fourth proportional to 59.22, 81.72 and 32.99 is: 45.53
Step by Step Solution
- Step 1: Write the proportion equation
59.22 : 81.72 = 32.99 : x - Step 2: Convert to fraction form
59.22/81.72 = 32.99/x - Step 3: Cross multiply
59.22x = 81.72 × 32.99 - Step 4: Simplify right side
59.22x = 2,695.84 - Step 5: Solve for x
x = 2,695.84/59.22 - 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.