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Finding the Fourth Proportional to 593.67, 818.87 and 357.45

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Solution

The fourth proportional to 593.67, 818.87 and 357.45 is: 493.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.67 : 818.87 = 357.45 : x
  2. Step 2: Convert to fraction form
    593.67/818.87 = 357.45/x
  3. Step 3: Cross multiply
    593.67x = 818.87 × 357.45
  4. Step 4: Simplify right side
    593.67x = 292,709.72
  5. Step 5: Solve for x
    x = 292,709.72/593.67
  6. Step 6: Final answer
    x = 493.05

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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.