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Finding the Fourth Proportional to 527.65, 791.55 and 162.37

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Solution

The fourth proportional to 527.65, 791.55 and 162.37 is: 243.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.65 : 791.55 = 162.37 : x
  2. Step 2: Convert to fraction form
    527.65/791.55 = 162.37/x
  3. Step 3: Cross multiply
    527.65x = 791.55 × 162.37
  4. Step 4: Simplify right side
    527.65x = 128,523.97
  5. Step 5: Solve for x
    x = 128,523.97/527.65
  6. Step 6: Final answer
    x = 243.58

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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.