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Finding the Fourth Proportional to 592.99, 818.50 and 475.78

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Solution

The fourth proportional to 592.99, 818.50 and 475.78 is: 656.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.99 : 818.50 = 475.78 : x
  2. Step 2: Convert to fraction form
    592.99/818.50 = 475.78/x
  3. Step 3: Cross multiply
    592.99x = 818.50 × 475.78
  4. Step 4: Simplify right side
    592.99x = 389,425.93
  5. Step 5: Solve for x
    x = 389,425.93/592.99
  6. Step 6: Final answer
    x = 656.72

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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.