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Finding the Fourth Proportional to 392.26, 587.65 and 246.18

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Solution

The fourth proportional to 392.26, 587.65 and 246.18 is: 368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    392.26 : 587.65 = 246.18 : x
  2. Step 2: Convert to fraction form
    392.26/587.65 = 246.18/x
  3. Step 3: Cross multiply
    392.26x = 587.65 × 246.18
  4. Step 4: Simplify right side
    392.26x = 144,664.90
  5. Step 5: Solve for x
    x = 144,664.90/392.26
  6. Step 6: Final answer
    x = 368.80

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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.