Finding the Fourth Proportional to 135.36, 203.12 and 58.36
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Solution
The fourth proportional to 135.36, 203.12 and 58.36 is: 87.57
Step by Step Solution
- Step 1: Write the proportion equation
135.36 : 203.12 = 58.36 : x - Step 2: Convert to fraction form
135.36/203.12 = 58.36/x - Step 3: Cross multiply
135.36x = 203.12 × 58.36 - Step 4: Simplify right side
135.36x = 11,854.08 - Step 5: Solve for x
x = 11,854.08/135.36 - Step 6: Final answer
x = 87.57
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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.