Finding the Fourth Proportional to 135.34, 202.99 and 37.85
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Solution
The fourth proportional to 135.34, 202.99 and 37.85 is: 56.76
Step by Step Solution
- Step 1: Write the proportion equation
135.34 : 202.99 = 37.85 : x - Step 2: Convert to fraction form
135.34/202.99 = 37.85/x - Step 3: Cross multiply
135.34x = 202.99 × 37.85 - Step 4: Simplify right side
135.34x = 7,682.13 - Step 5: Solve for x
x = 7,682.13/135.34 - Step 6: Final answer
x = 56.76
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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.