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Finding the Fourth Proportional to 593.26, 818.02 and 499.86

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Solution

The fourth proportional to 593.26, 818.02 and 499.86 is: 689.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.26 : 818.02 = 499.86 : x
  2. Step 2: Convert to fraction form
    593.26/818.02 = 499.86/x
  3. Step 3: Cross multiply
    593.26x = 818.02 × 499.86
  4. Step 4: Simplify right side
    593.26x = 408,894.23
  5. Step 5: Solve for x
    x = 408,894.23/593.26
  6. Step 6: Final answer
    x = 689.24

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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.