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Finding the Fourth Proportional to 437.05, 603.09 and 240.57

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Solution

The fourth proportional to 437.05, 603.09 and 240.57 is: 331.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.05 : 603.09 = 240.57 : x
  2. Step 2: Convert to fraction form
    437.05/603.09 = 240.57/x
  3. Step 3: Cross multiply
    437.05x = 603.09 × 240.57
  4. Step 4: Simplify right side
    437.05x = 145,085.36
  5. Step 5: Solve for x
    x = 145,085.36/437.05
  6. Step 6: Final answer
    x = 331.97

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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.