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Finding the Fourth Proportional to 437.05, 603.42 and 271.51

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Solution

The fourth proportional to 437.05, 603.42 and 271.51 is: 374.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.05 : 603.42 = 271.51 : x
  2. Step 2: Convert to fraction form
    437.05/603.42 = 271.51/x
  3. Step 3: Cross multiply
    437.05x = 603.42 × 271.51
  4. Step 4: Simplify right side
    437.05x = 163,834.56
  5. Step 5: Solve for x
    x = 163,834.56/437.05
  6. Step 6: Final answer
    x = 374.86

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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.