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Finding the Fourth Proportional to 437.77, 603.74 and 262.81

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Solution

The fourth proportional to 437.77, 603.74 and 262.81 is: 362.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.77 : 603.74 = 262.81 : x
  2. Step 2: Convert to fraction form
    437.77/603.74 = 262.81/x
  3. Step 3: Cross multiply
    437.77x = 603.74 × 262.81
  4. Step 4: Simplify right side
    437.77x = 158,664.58
  5. Step 5: Solve for x
    x = 158,664.58/437.77
  6. Step 6: Final answer
    x = 362.44

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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.