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Finding the Fourth Proportional to 574.68, 860.52 and 483.14

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Solution

The fourth proportional to 574.68, 860.52 and 483.14 is: 723.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.68 : 860.52 = 483.14 : x
  2. Step 2: Convert to fraction form
    574.68/860.52 = 483.14/x
  3. Step 3: Cross multiply
    574.68x = 860.52 × 483.14
  4. Step 4: Simplify right side
    574.68x = 415,751.63
  5. Step 5: Solve for x
    x = 415,751.63/574.68
  6. Step 6: Final answer
    x = 723.45

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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.