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Finding the Fourth Proportional to 593.01, 818.28 and 330.98

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Solution

The fourth proportional to 593.01, 818.28 and 330.98 is: 456.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.01 : 818.28 = 330.98 : x
  2. Step 2: Convert to fraction form
    593.01/818.28 = 330.98/x
  3. Step 3: Cross multiply
    593.01x = 818.28 × 330.98
  4. Step 4: Simplify right side
    593.01x = 270,830.22
  5. Step 5: Solve for x
    x = 270,830.22/593.01
  6. Step 6: Final answer
    x = 456.70

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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.