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Finding the Fourth Proportional to 573.42, 860.16 and 162.60

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Solution

The fourth proportional to 573.42, 860.16 and 162.60 is: 243.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.42 : 860.16 = 162.60 : x
  2. Step 2: Convert to fraction form
    573.42/860.16 = 162.60/x
  3. Step 3: Cross multiply
    573.42x = 860.16 × 162.60
  4. Step 4: Simplify right side
    573.42x = 139,862.02
  5. Step 5: Solve for x
    x = 139,862.02/573.42
  6. Step 6: Final answer
    x = 243.91

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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.