Finding the Fourth Proportional to 135.71, 203.63 and 58.74
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Solution
The fourth proportional to 135.71, 203.63 and 58.74 is: 88.14
Step by Step Solution
- Step 1: Write the proportion equation
135.71 : 203.63 = 58.74 : x - Step 2: Convert to fraction form
135.71/203.63 = 58.74/x - Step 3: Cross multiply
135.71x = 203.63 × 58.74 - Step 4: Simplify right side
135.71x = 11,960.93 - Step 5: Solve for x
x = 11,960.93/135.71 - Step 6: Final answer
x = 88.14
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.