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Finding the Fourth Proportional to 243.06, 334.98 and 236.04

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Solution

The fourth proportional to 243.06, 334.98 and 236.04 is: 325.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.06 : 334.98 = 236.04 : x
  2. Step 2: Convert to fraction form
    243.06/334.98 = 236.04/x
  3. Step 3: Cross multiply
    243.06x = 334.98 × 236.04
  4. Step 4: Simplify right side
    243.06x = 79,068.68
  5. Step 5: Solve for x
    x = 79,068.68/243.06
  6. Step 6: Final answer
    x = 325.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.