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Finding the Fourth Proportional to 592.57, 817.64 and 330.58

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Solution

The fourth proportional to 592.57, 817.64 and 330.58 is: 456.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.57 : 817.64 = 330.58 : x
  2. Step 2: Convert to fraction form
    592.57/817.64 = 330.58/x
  3. Step 3: Cross multiply
    592.57x = 817.64 × 330.58
  4. Step 4: Simplify right side
    592.57x = 270,289.69
  5. Step 5: Solve for x
    x = 270,289.69/592.57
  6. Step 6: Final answer
    x = 456.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.