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Finding the Fourth Proportional to 562.18, 775.30 and 352.37

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Solution

The fourth proportional to 562.18, 775.30 and 352.37 is: 485.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.18 : 775.30 = 352.37 : x
  2. Step 2: Convert to fraction form
    562.18/775.30 = 352.37/x
  3. Step 3: Cross multiply
    562.18x = 775.30 × 352.37
  4. Step 4: Simplify right side
    562.18x = 273,194.49
  5. Step 5: Solve for x
    x = 273,194.49/562.18
  6. Step 6: Final answer
    x = 485.96

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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.