Finding the Fourth Proportional to 135.30, 202.99 and 44.00
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Solution
The fourth proportional to 135.30, 202.99 and 44.00 is: 66.01
Step by Step Solution
- Step 1: Write the proportion equation
135.30 : 202.99 = 44.00 : x - Step 2: Convert to fraction form
135.30/202.99 = 44.00/x - Step 3: Cross multiply
135.30x = 202.99 × 44.00 - Step 4: Simplify right side
135.30x = 8,931.66 - Step 5: Solve for x
x = 8,931.66/135.30 - Step 6: Final answer
x = 66.01
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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.