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Finding the Fourth Proportional to 243.07, 335.25 and 176.94

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Solution

The fourth proportional to 243.07, 335.25 and 176.94 is: 244.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.07 : 335.25 = 176.94 : x
  2. Step 2: Convert to fraction form
    243.07/335.25 = 176.94/x
  3. Step 3: Cross multiply
    243.07x = 335.25 × 176.94
  4. Step 4: Simplify right side
    243.07x = 59,319.14
  5. Step 5: Solve for x
    x = 59,319.14/243.07
  6. Step 6: Final answer
    x = 244.04

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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.