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Finding the Fourth Proportional to 373.13, 559.36 and 156.59

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Solution

The fourth proportional to 373.13, 559.36 and 156.59 is: 234.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.13 : 559.36 = 156.59 : x
  2. Step 2: Convert to fraction form
    373.13/559.36 = 156.59/x
  3. Step 3: Cross multiply
    373.13x = 559.36 × 156.59
  4. Step 4: Simplify right side
    373.13x = 87,589.40
  5. Step 5: Solve for x
    x = 87,589.40/373.13
  6. Step 6: Final answer
    x = 234.74

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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.