Finding the Fourth Proportional to 340.60, 510.53 and 135.08
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Solution
The fourth proportional to 340.60, 510.53 and 135.08 is: 202.47
Step by Step Solution
- Step 1: Write the proportion equation
340.60 : 510.53 = 135.08 : x - Step 2: Convert to fraction form
340.60/510.53 = 135.08/x - Step 3: Cross multiply
340.60x = 510.53 × 135.08 - Step 4: Simplify right side
340.60x = 68,960.18 - Step 5: Solve for x
x = 68,960.18/340.60 - Step 6: Final answer
x = 202.47
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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.