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Finding the Fourth Proportional to 573.42, 860.04 and 162.48

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Solution

The fourth proportional to 573.42, 860.04 and 162.48 is: 243.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.42 : 860.04 = 162.48 : x
  2. Step 2: Convert to fraction form
    573.42/860.04 = 162.48/x
  3. Step 3: Cross multiply
    573.42x = 860.04 × 162.48
  4. Step 4: Simplify right side
    573.42x = 139,739.30
  5. Step 5: Solve for x
    x = 139,739.30/573.42
  6. Step 6: Final answer
    x = 243.69

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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.