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Finding the Fourth Proportional to 527.10, 789.99 and 310.14

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Solution

The fourth proportional to 527.10, 789.99 and 310.14 is: 464.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.10 : 789.99 = 310.14 : x
  2. Step 2: Convert to fraction form
    527.10/789.99 = 310.14/x
  3. Step 3: Cross multiply
    527.10x = 789.99 × 310.14
  4. Step 4: Simplify right side
    527.10x = 245,007.50
  5. Step 5: Solve for x
    x = 245,007.50/527.10
  6. Step 6: Final answer
    x = 464.82

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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.