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Finding the Fourth Proportional to 437.70, 603.98 and 241.20

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Solution

The fourth proportional to 437.70, 603.98 and 241.20 is: 332.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.70 : 603.98 = 241.20 : x
  2. Step 2: Convert to fraction form
    437.70/603.98 = 241.20/x
  3. Step 3: Cross multiply
    437.70x = 603.98 × 241.20
  4. Step 4: Simplify right side
    437.70x = 145,679.98
  5. Step 5: Solve for x
    x = 145,679.98/437.70
  6. Step 6: Final answer
    x = 332.83

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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.