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Finding the Fourth Proportional to 577.70, 866.53 and 230.93

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Solution

The fourth proportional to 577.70, 866.53 and 230.93 is: 346.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    577.70 : 866.53 = 230.93 : x
  2. Step 2: Convert to fraction form
    577.70/866.53 = 230.93/x
  3. Step 3: Cross multiply
    577.70x = 866.53 × 230.93
  4. Step 4: Simplify right side
    577.70x = 200,106.98
  5. Step 5: Solve for x
    x = 200,106.98/577.70
  6. Step 6: Final answer
    x = 346.39

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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.