Finding the Fourth Proportional to 135.24, 202.91 and 63.15
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Solution
The fourth proportional to 135.24, 202.91 and 63.15 is: 94.75
Step by Step Solution
- Step 1: Write the proportion equation
135.24 : 202.91 = 63.15 : x - Step 2: Convert to fraction form
135.24/202.91 = 63.15/x - Step 3: Cross multiply
135.24x = 202.91 × 63.15 - Step 4: Simplify right side
135.24x = 12,813.77 - Step 5: Solve for x
x = 12,813.77/135.24 - Step 6: Final answer
x = 94.75
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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.