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Finding the Fourth Proportional to 598.42, 825.86 and 377.66

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Solution

The fourth proportional to 598.42, 825.86 and 377.66 is: 521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.42 : 825.86 = 377.66 : x
  2. Step 2: Convert to fraction form
    598.42/825.86 = 377.66/x
  3. Step 3: Cross multiply
    598.42x = 825.86 × 377.66
  4. Step 4: Simplify right side
    598.42x = 311,897.30
  5. Step 5: Solve for x
    x = 311,897.30/598.42
  6. Step 6: Final answer
    x = 521.20

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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.