Finding the Fourth Proportional to 135.70, 203.62 and 58.66
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Solution
The fourth proportional to 135.70, 203.62 and 58.66 is: 88.02
Step by Step Solution
- Step 1: Write the proportion equation
135.70 : 203.62 = 58.66 : x - Step 2: Convert to fraction form
135.70/203.62 = 58.66/x - Step 3: Cross multiply
135.70x = 203.62 × 58.66 - Step 4: Simplify right side
135.70x = 11,943.33 - Step 5: Solve for x
x = 11,943.33/135.70 - Step 6: Final answer
x = 88.02
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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.