Finding the Fourth Proportional to 341.24, 511.91 and 135.79
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Solution
The fourth proportional to 341.24, 511.91 and 135.79 is: 203.70
Step by Step Solution
- Step 1: Write the proportion equation
341.24 : 511.91 = 135.79 : x - Step 2: Convert to fraction form
341.24/511.91 = 135.79/x - Step 3: Cross multiply
341.24x = 511.91 × 135.79 - Step 4: Simplify right side
341.24x = 69,510.81 - Step 5: Solve for x
x = 69,510.81/341.24 - Step 6: Final answer
x = 203.70
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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.