Finding the Fourth Proportional to 340.97, 511.62 and 135.53
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Solution
The fourth proportional to 340.97, 511.62 and 135.53 is: 203.36
Step by Step Solution
- Step 1: Write the proportion equation
340.97 : 511.62 = 135.53 : x - Step 2: Convert to fraction form
340.97/511.62 = 135.53/x - Step 3: Cross multiply
340.97x = 511.62 × 135.53 - Step 4: Simplify right side
340.97x = 69,337.30 - Step 5: Solve for x
x = 69,337.30/340.97 - Step 6: Final answer
x = 203.36
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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.