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Finding the Fourth Proportional to 436.77, 602.78 and 250.29

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Solution

The fourth proportional to 436.77, 602.78 and 250.29 is: 345.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.77 : 602.78 = 250.29 : x
  2. Step 2: Convert to fraction form
    436.77/602.78 = 250.29/x
  3. Step 3: Cross multiply
    436.77x = 602.78 × 250.29
  4. Step 4: Simplify right side
    436.77x = 150,868.55
  5. Step 5: Solve for x
    x = 150,868.55/436.77
  6. Step 6: Final answer
    x = 345.42

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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.