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Finding the Fourth Proportional to 380.69, 525.69 and 241.06

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Solution

The fourth proportional to 380.69, 525.69 and 241.06 is: 332.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    380.69 : 525.69 = 241.06 : x
  2. Step 2: Convert to fraction form
    380.69/525.69 = 241.06/x
  3. Step 3: Cross multiply
    380.69x = 525.69 × 241.06
  4. Step 4: Simplify right side
    380.69x = 126,722.83
  5. Step 5: Solve for x
    x = 126,722.83/380.69
  6. Step 6: Final answer
    x = 332.88

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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.