Finding the Fourth Proportional to 59.97, 82.58 and 53.09
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Solution
The fourth proportional to 59.97, 82.58 and 53.09 is: 73.09
Step by Step Solution
- Step 1: Write the proportion equation
59.97 : 82.58 = 53.09 : x - Step 2: Convert to fraction form
59.97/82.58 = 53.09/x - Step 3: Cross multiply
59.97x = 82.58 × 53.09 - Step 4: Simplify right side
59.97x = 4,383.49 - Step 5: Solve for x
x = 4,383.49/59.97 - Step 6: Final answer
x = 73.09
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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.