Finding the Fourth Proportional to 239.24, 358.93 and 102.40
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Solution
The fourth proportional to 239.24, 358.93 and 102.40 is: 153.63
Step by Step Solution
- Step 1: Write the proportion equation
239.24 : 358.93 = 102.40 : x - Step 2: Convert to fraction form
239.24/358.93 = 102.40/x - Step 3: Cross multiply
239.24x = 358.93 × 102.40 - Step 4: Simplify right side
239.24x = 36,753.66 - Step 5: Solve for x
x = 36,753.66/239.24 - Step 6: Final answer
x = 153.63
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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.