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Finding the Fourth Proportional to 428.03, 590.69 and 241.53

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Solution

The fourth proportional to 428.03, 590.69 and 241.53 is: 333.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    428.03 : 590.69 = 241.53 : x
  2. Step 2: Convert to fraction form
    428.03/590.69 = 241.53/x
  3. Step 3: Cross multiply
    428.03x = 590.69 × 241.53
  4. Step 4: Simplify right side
    428.03x = 142,668.60
  5. Step 5: Solve for x
    x = 142,668.60/428.03
  6. Step 6: Final answer
    x = 333.31

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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.