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Finding the Fourth Proportional to 373.08, 559.62 and 126.30

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Solution

The fourth proportional to 373.08, 559.62 and 126.30 is: 189.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.08 : 559.62 = 126.30 : x
  2. Step 2: Convert to fraction form
    373.08/559.62 = 126.30/x
  3. Step 3: Cross multiply
    373.08x = 559.62 × 126.30
  4. Step 4: Simplify right side
    373.08x = 70,680.01
  5. Step 5: Solve for x
    x = 70,680.01/373.08
  6. Step 6: Final answer
    x = 189.45

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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.