Finding the Fourth Proportional to 341.22, 511.95 and 135.74
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Solution
The fourth proportional to 341.22, 511.95 and 135.74 is: 203.65
Step by Step Solution
- Step 1: Write the proportion equation
341.22 : 511.95 = 135.74 : x - Step 2: Convert to fraction form
341.22/511.95 = 135.74/x - Step 3: Cross multiply
341.22x = 511.95 × 135.74 - Step 4: Simplify right side
341.22x = 69,490.24 - Step 5: Solve for x
x = 69,490.24/341.22 - Step 6: Final answer
x = 203.65
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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.