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Finding the Fourth Proportional to 436.73, 602.72 and 250.28

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Solution

The fourth proportional to 436.73, 602.72 and 250.28 is: 345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.73 : 602.72 = 250.28 : x
  2. Step 2: Convert to fraction form
    436.73/602.72 = 250.28/x
  3. Step 3: Cross multiply
    436.73x = 602.72 × 250.28
  4. Step 4: Simplify right side
    436.73x = 150,844.50
  5. Step 5: Solve for x
    x = 150,844.50/436.73
  6. Step 6: Final answer
    x = 345.40

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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.