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Finding the Fourth Proportional to 373.17, 559.57 and 141.89

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Solution

The fourth proportional to 373.17, 559.57 and 141.89 is: 212.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.17 : 559.57 = 141.89 : x
  2. Step 2: Convert to fraction form
    373.17/559.57 = 141.89/x
  3. Step 3: Cross multiply
    373.17x = 559.57 × 141.89
  4. Step 4: Simplify right side
    373.17x = 79,393.88
  5. Step 5: Solve for x
    x = 79,393.88/373.17
  6. Step 6: Final answer
    x = 212.76

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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.