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Finding the Fourth Proportional to 527.70, 791.16 and 250.07

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Solution

The fourth proportional to 527.70, 791.16 and 250.07 is: 374.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.70 : 791.16 = 250.07 : x
  2. Step 2: Convert to fraction form
    527.70/791.16 = 250.07/x
  3. Step 3: Cross multiply
    527.70x = 791.16 × 250.07
  4. Step 4: Simplify right side
    527.70x = 197,845.38
  5. Step 5: Solve for x
    x = 197,845.38/527.70
  6. Step 6: Final answer
    x = 374.92

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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.