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Finding the Fourth Proportional to 373.30, 559.05 and 301.30

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Solution

The fourth proportional to 373.30, 559.05 and 301.30 is: 451.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.30 : 559.05 = 301.30 : x
  2. Step 2: Convert to fraction form
    373.30/559.05 = 301.30/x
  3. Step 3: Cross multiply
    373.30x = 559.05 × 301.30
  4. Step 4: Simplify right side
    373.30x = 168,441.77
  5. Step 5: Solve for x
    x = 168,441.77/373.30
  6. Step 6: Final answer
    x = 451.22

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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.