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Finding the Fourth Proportional to 428, 590.61 and 241.52

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Solution

The fourth proportional to 428, 590.61 and 241.52 is: 333.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    428 : 590.61 = 241.52 : x
  2. Step 2: Convert to fraction form
    428/590.61 = 241.52/x
  3. Step 3: Cross multiply
    428x = 590.61 × 241.52
  4. Step 4: Simplify right side
    428x = 142,644.13
  5. Step 5: Solve for x
    x = 142,644.13/428
  6. Step 6: Final answer
    x = 333.28

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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.