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Finding the Fourth Proportional to 602.06, 902.52 and 190.91

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Solution

The fourth proportional to 602.06, 902.52 and 190.91 is: 286.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.06 : 902.52 = 190.91 : x
  2. Step 2: Convert to fraction form
    602.06/902.52 = 190.91/x
  3. Step 3: Cross multiply
    602.06x = 902.52 × 190.91
  4. Step 4: Simplify right side
    602.06x = 172,300.09
  5. Step 5: Solve for x
    x = 172,300.09/602.06
  6. Step 6: Final answer
    x = 286.18

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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.