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Finding the Fourth Proportional to 593.15, 818.64 and 383.27

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Solution

The fourth proportional to 593.15, 818.64 and 383.27 is: 528.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.15 : 818.64 = 383.27 : x
  2. Step 2: Convert to fraction form
    593.15/818.64 = 383.27/x
  3. Step 3: Cross multiply
    593.15x = 818.64 × 383.27
  4. Step 4: Simplify right side
    593.15x = 313,756.06
  5. Step 5: Solve for x
    x = 313,756.06/593.15
  6. Step 6: Final answer
    x = 528.97

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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.