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Finding the Fourth Proportional to 281.04, 387.52 and 241.65

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Solution

The fourth proportional to 281.04, 387.52 and 241.65 is: 333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    281.04 : 387.52 = 241.65 : x
  2. Step 2: Convert to fraction form
    281.04/387.52 = 241.65/x
  3. Step 3: Cross multiply
    281.04x = 387.52 × 241.65
  4. Step 4: Simplify right side
    281.04x = 93,643.60
  5. Step 5: Solve for x
    x = 93,643.60/281.04
  6. Step 6: Final answer
    x = 333.21

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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.