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Finding the Fourth Proportional to 577.68, 866.52 and 230.88

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Solution

The fourth proportional to 577.68, 866.52 and 230.88 is: 346.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    577.68 : 866.52 = 230.88 : x
  2. Step 2: Convert to fraction form
    577.68/866.52 = 230.88/x
  3. Step 3: Cross multiply
    577.68x = 866.52 × 230.88
  4. Step 4: Simplify right side
    577.68x = 200,062.14
  5. Step 5: Solve for x
    x = 200,062.14/577.68
  6. Step 6: Final answer
    x = 346.32

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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.