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Finding the Fourth Proportional to 437.36, 603.87 and 354.84

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Solution

The fourth proportional to 437.36, 603.87 and 354.84 is: 489.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.36 : 603.87 = 354.84 : x
  2. Step 2: Convert to fraction form
    437.36/603.87 = 354.84/x
  3. Step 3: Cross multiply
    437.36x = 603.87 × 354.84
  4. Step 4: Simplify right side
    437.36x = 214,277.23
  5. Step 5: Solve for x
    x = 214,277.23/437.36
  6. Step 6: Final answer
    x = 489.93

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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.