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Finding the Fourth Proportional to 241.80, 333.67 and 148.55

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Solution

The fourth proportional to 241.80, 333.67 and 148.55 is: 204.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.80 : 333.67 = 148.55 : x
  2. Step 2: Convert to fraction form
    241.80/333.67 = 148.55/x
  3. Step 3: Cross multiply
    241.80x = 333.67 × 148.55
  4. Step 4: Simplify right side
    241.80x = 49,566.79
  5. Step 5: Solve for x
    x = 49,566.79/241.80
  6. Step 6: Final answer
    x = 204.99

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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.