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Finding the Fourth Proportional to 593.49, 818.65 and 383.59

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Solution

The fourth proportional to 593.49, 818.65 and 383.59 is: 529.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.49 : 818.65 = 383.59 : x
  2. Step 2: Convert to fraction form
    593.49/818.65 = 383.59/x
  3. Step 3: Cross multiply
    593.49x = 818.65 × 383.59
  4. Step 4: Simplify right side
    593.49x = 314,025.95
  5. Step 5: Solve for x
    x = 314,025.95/593.49
  6. Step 6: Final answer
    x = 529.12

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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.