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Finding the Fourth Proportional to 527.88, 728.73 and 370.85

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Solution

The fourth proportional to 527.88, 728.73 and 370.85 is: 511.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.88 : 728.73 = 370.85 : x
  2. Step 2: Convert to fraction form
    527.88/728.73 = 370.85/x
  3. Step 3: Cross multiply
    527.88x = 728.73 × 370.85
  4. Step 4: Simplify right side
    527.88x = 270,245.88
  5. Step 5: Solve for x
    x = 270,245.88/527.88
  6. Step 6: Final answer
    x = 511.95

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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.