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Finding the Fourth Proportional to 602.29, 903.44 and 191.46

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Solution

The fourth proportional to 602.29, 903.44 and 191.46 is: 287.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.29 : 903.44 = 191.46 : x
  2. Step 2: Convert to fraction form
    602.29/903.44 = 191.46/x
  3. Step 3: Cross multiply
    602.29x = 903.44 × 191.46
  4. Step 4: Simplify right side
    602.29x = 172,972.62
  5. Step 5: Solve for x
    x = 172,972.62/602.29
  6. Step 6: Final answer
    x = 287.19

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.