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Finding the Fourth Proportional to 437.41, 603.90 and 271.86

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Solution

The fourth proportional to 437.41, 603.90 and 271.86 is: 375.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.41 : 603.90 = 271.86 : x
  2. Step 2: Convert to fraction form
    437.41/603.90 = 271.86/x
  3. Step 3: Cross multiply
    437.41x = 603.90 × 271.86
  4. Step 4: Simplify right side
    437.41x = 164,174.74
  5. Step 5: Solve for x
    x = 164,174.74/437.41
  6. Step 6: Final answer
    x = 375.34

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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.