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Finding the Fourth Proportional to 428.04, 590.62 and 244.04

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Solution

The fourth proportional to 428.04, 590.62 and 244.04 is: 336.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    428.04 : 590.62 = 244.04 : x
  2. Step 2: Convert to fraction form
    428.04/590.62 = 244.04/x
  3. Step 3: Cross multiply
    428.04x = 590.62 × 244.04
  4. Step 4: Simplify right side
    428.04x = 144,134.90
  5. Step 5: Solve for x
    x = 144,134.90/428.04
  6. Step 6: Final answer
    x = 336.73

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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.