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Finding the Fourth Proportional to 437.88, 604.36 and 411.54

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Solution

The fourth proportional to 437.88, 604.36 and 411.54 is: 568.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.88 : 604.36 = 411.54 : x
  2. Step 2: Convert to fraction form
    437.88/604.36 = 411.54/x
  3. Step 3: Cross multiply
    437.88x = 604.36 × 411.54
  4. Step 4: Simplify right side
    437.88x = 248,718.31
  5. Step 5: Solve for x
    x = 248,718.31/437.88
  6. Step 6: Final answer
    x = 568.01

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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.