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Finding the Fourth Proportional to 598.71, 826.11 and 377.94

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Solution

The fourth proportional to 598.71, 826.11 and 377.94 is: 521.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.71 : 826.11 = 377.94 : x
  2. Step 2: Convert to fraction form
    598.71/826.11 = 377.94/x
  3. Step 3: Cross multiply
    598.71x = 826.11 × 377.94
  4. Step 4: Simplify right side
    598.71x = 312,220.01
  5. Step 5: Solve for x
    x = 312,220.01/598.71
  6. Step 6: Final answer
    x = 521.49

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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.