Finding the Fourth Proportional to 134.61, 202.04 and 88.99
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Solution
The fourth proportional to 134.61, 202.04 and 88.99 is: 133.57
Step by Step Solution
- Step 1: Write the proportion equation
134.61 : 202.04 = 88.99 : x - Step 2: Convert to fraction form
134.61/202.04 = 88.99/x - Step 3: Cross multiply
134.61x = 202.04 × 88.99 - Step 4: Simplify right side
134.61x = 17,979.54 - Step 5: Solve for x
x = 17,979.54/134.61 - Step 6: Final answer
x = 133.57
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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.