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Finding the Fourth Proportional to 373.08, 514.60 and 323.85

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Solution

The fourth proportional to 373.08, 514.60 and 323.85 is: 446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.08 : 514.60 = 323.85 : x
  2. Step 2: Convert to fraction form
    373.08/514.60 = 323.85/x
  3. Step 3: Cross multiply
    373.08x = 514.60 × 323.85
  4. Step 4: Simplify right side
    373.08x = 166,653.21
  5. Step 5: Solve for x
    x = 166,653.21/373.08
  6. Step 6: Final answer
    x = 446.70

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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.