Finding the Fourth Proportional to 193.91, 291.02 and 135.76
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Solution
The fourth proportional to 193.91, 291.02 and 135.76 is: 203.75
Step by Step Solution
- Step 1: Write the proportion equation
193.91 : 291.02 = 135.76 : x - Step 2: Convert to fraction form
193.91/291.02 = 135.76/x - Step 3: Cross multiply
193.91x = 291.02 × 135.76 - Step 4: Simplify right side
193.91x = 39,508.88 - Step 5: Solve for x
x = 39,508.88/193.91 - Step 6: Final answer
x = 203.75
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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.