Finding the Fourth Proportional to 203.18, 279.99 and 171.99
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Solution
The fourth proportional to 203.18, 279.99 and 171.99 is: 237.01
Step by Step Solution
- Step 1: Write the proportion equation
203.18 : 279.99 = 171.99 : x - Step 2: Convert to fraction form
203.18/279.99 = 171.99/x - Step 3: Cross multiply
203.18x = 279.99 × 171.99 - Step 4: Simplify right side
203.18x = 48,155.48 - Step 5: Solve for x
x = 48,155.48/203.18 - Step 6: Final answer
x = 237.01
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.