Finding the Fourth Proportional to 135.80, 203.73 and 58.75
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Solution
The fourth proportional to 135.80, 203.73 and 58.75 is: 88.14
Step by Step Solution
- Step 1: Write the proportion equation
135.80 : 203.73 = 58.75 : x - Step 2: Convert to fraction form
135.80/203.73 = 58.75/x - Step 3: Cross multiply
135.80x = 203.73 × 58.75 - Step 4: Simplify right side
135.80x = 11,968.79 - Step 5: Solve for x
x = 11,968.79/135.80 - Step 6: Final answer
x = 88.14
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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.