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Finding the Fourth Proportional to 592.71, 817.86 and 330.67

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Solution

The fourth proportional to 592.71, 817.86 and 330.67 is: 456.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.71 : 817.86 = 330.67 : x
  2. Step 2: Convert to fraction form
    592.71/817.86 = 330.67/x
  3. Step 3: Cross multiply
    592.71x = 817.86 × 330.67
  4. Step 4: Simplify right side
    592.71x = 270,441.77
  5. Step 5: Solve for x
    x = 270,441.77/592.71
  6. Step 6: Final answer
    x = 456.28

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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.