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Finding the Fourth Proportional to 243.79, 368.33 and 241.63

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Solution

The fourth proportional to 243.79, 368.33 and 241.63 is: 365.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.79 : 368.33 = 241.63 : x
  2. Step 2: Convert to fraction form
    243.79/368.33 = 241.63/x
  3. Step 3: Cross multiply
    243.79x = 368.33 × 241.63
  4. Step 4: Simplify right side
    243.79x = 88,999.58
  5. Step 5: Solve for x
    x = 88,999.58/243.79
  6. Step 6: Final answer
    x = 365.07

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.