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Finding the Fourth Proportional to 574.84, 860.82 and 527.32

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Solution

The fourth proportional to 574.84, 860.82 and 527.32 is: 789.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.84 : 860.82 = 527.32 : x
  2. Step 2: Convert to fraction form
    574.84/860.82 = 527.32/x
  3. Step 3: Cross multiply
    574.84x = 860.82 × 527.32
  4. Step 4: Simplify right side
    574.84x = 453,927.60
  5. Step 5: Solve for x
    x = 453,927.60/574.84
  6. Step 6: Final answer
    x = 789.66

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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.