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Finding the Fourth Proportional to 373.46, 559.91 and 190.71

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Solution

The fourth proportional to 373.46, 559.91 and 190.71 is: 285.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.46 : 559.91 = 190.71 : x
  2. Step 2: Convert to fraction form
    373.46/559.91 = 190.71/x
  3. Step 3: Cross multiply
    373.46x = 559.91 × 190.71
  4. Step 4: Simplify right side
    373.46x = 106,780.91
  5. Step 5: Solve for x
    x = 106,780.91/373.46
  6. Step 6: Final answer
    x = 285.93

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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.