Finding the Fourth Proportional to 88.68, 132.99 and 26.98
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Solution
The fourth proportional to 88.68, 132.99 and 26.98 is: 40.46
Step by Step Solution
- Step 1: Write the proportion equation
88.68 : 132.99 = 26.98 : x - Step 2: Convert to fraction form
88.68/132.99 = 26.98/x - Step 3: Cross multiply
88.68x = 132.99 × 26.98 - Step 4: Simplify right side
88.68x = 3,587.41 - Step 5: Solve for x
x = 3,587.41/88.68 - Step 6: Final answer
x = 40.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.