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Finding the Fourth Proportional to 602.73, 832.75 and 479.41

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Solution

The fourth proportional to 602.73, 832.75 and 479.41 is: 662.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.73 : 832.75 = 479.41 : x
  2. Step 2: Convert to fraction form
    602.73/832.75 = 479.41/x
  3. Step 3: Cross multiply
    602.73x = 832.75 × 479.41
  4. Step 4: Simplify right side
    602.73x = 399,228.68
  5. Step 5: Solve for x
    x = 399,228.68/602.73
  6. Step 6: Final answer
    x = 662.37

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1.5x scale

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.