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Finding the Fourth Proportional to 602.46, 902.88 and 552.24

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Solution

The fourth proportional to 602.46, 902.88 and 552.24 is: 827.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.46 : 902.88 = 552.24 : x
  2. Step 2: Convert to fraction form
    602.46/902.88 = 552.24/x
  3. Step 3: Cross multiply
    602.46x = 902.88 × 552.24
  4. Step 4: Simplify right side
    602.46x = 498,606.45
  5. Step 5: Solve for x
    x = 498,606.45/602.46
  6. Step 6: Final answer
    x = 827.62

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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.