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Finding the Fourth Proportional to 373.56, 559.50 and 300.64

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Solution

The fourth proportional to 373.56, 559.50 and 300.64 is: 450.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.56 : 559.50 = 300.64 : x
  2. Step 2: Convert to fraction form
    373.56/559.50 = 300.64/x
  3. Step 3: Cross multiply
    373.56x = 559.50 × 300.64
  4. Step 4: Simplify right side
    373.56x = 168,208.08
  5. Step 5: Solve for x
    x = 168,208.08/373.56
  6. Step 6: Final answer
    x = 450.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.