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Finding the Fourth Proportional to 436.77, 601.56 and 374.22

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Solution

The fourth proportional to 436.77, 601.56 and 374.22 is: 515.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.77 : 601.56 = 374.22 : x
  2. Step 2: Convert to fraction form
    436.77/601.56 = 374.22/x
  3. Step 3: Cross multiply
    436.77x = 601.56 × 374.22
  4. Step 4: Simplify right side
    436.77x = 225,115.78
  5. Step 5: Solve for x
    x = 225,115.78/436.77
  6. Step 6: Final answer
    x = 515.41

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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.