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Finding the Fourth Proportional to 399.18, 595.96 and 337.66

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Solution

The fourth proportional to 399.18, 595.96 and 337.66 is: 504.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    399.18 : 595.96 = 337.66 : x
  2. Step 2: Convert to fraction form
    399.18/595.96 = 337.66/x
  3. Step 3: Cross multiply
    399.18x = 595.96 × 337.66
  4. Step 4: Simplify right side
    399.18x = 201,231.85
  5. Step 5: Solve for x
    x = 201,231.85/399.18
  6. Step 6: Final answer
    x = 504.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.