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Finding the Fourth Proportional to 243.57, 362.74 and 233.04

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Solution

The fourth proportional to 243.57, 362.74 and 233.04 is: 347.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.57 : 362.74 = 233.04 : x
  2. Step 2: Convert to fraction form
    243.57/362.74 = 233.04/x
  3. Step 3: Cross multiply
    243.57x = 362.74 × 233.04
  4. Step 4: Simplify right side
    243.57x = 84,532.93
  5. Step 5: Solve for x
    x = 84,532.93/243.57
  6. Step 6: Final answer
    x = 347.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.