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Finding the Fourth Proportional to 436.62, 658.07 and 376.48

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Solution

The fourth proportional to 436.62, 658.07 and 376.48 is: 567.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.62 : 658.07 = 376.48 : x
  2. Step 2: Convert to fraction form
    436.62/658.07 = 376.48/x
  3. Step 3: Cross multiply
    436.62x = 658.07 × 376.48
  4. Step 4: Simplify right side
    436.62x = 247,750.19
  5. Step 5: Solve for x
    x = 247,750.19/436.62
  6. Step 6: Final answer
    x = 567.43

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.