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Finding the Fourth Proportional to 373.12, 559.33 and 235.77

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Solution

The fourth proportional to 373.12, 559.33 and 235.77 is: 353.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.12 : 559.33 = 235.77 : x
  2. Step 2: Convert to fraction form
    373.12/559.33 = 235.77/x
  3. Step 3: Cross multiply
    373.12x = 559.33 × 235.77
  4. Step 4: Simplify right side
    373.12x = 131,873.23
  5. Step 5: Solve for x
    x = 131,873.23/373.12
  6. Step 6: Final answer
    x = 353.43

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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.