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Finding the Fourth Proportional to 592.96, 818.28 and 344.30

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Solution

The fourth proportional to 592.96, 818.28 and 344.30 is: 475.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.96 : 818.28 = 344.30 : x
  2. Step 2: Convert to fraction form
    592.96/818.28 = 344.30/x
  3. Step 3: Cross multiply
    592.96x = 818.28 × 344.30
  4. Step 4: Simplify right side
    592.96x = 281,729.71
  5. Step 5: Solve for x
    x = 281,729.71/592.96
  6. Step 6: Final answer
    x = 475.13

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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.