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Finding the Fourth Proportional to 373.99, 560.44 and 191.14

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Solution

The fourth proportional to 373.99, 560.44 and 191.14 is: 286.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.99 : 560.44 = 191.14 : x
  2. Step 2: Convert to fraction form
    373.99/560.44 = 191.14/x
  3. Step 3: Cross multiply
    373.99x = 560.44 × 191.14
  4. Step 4: Simplify right side
    373.99x = 107,122.50
  5. Step 5: Solve for x
    x = 107,122.50/373.99
  6. Step 6: Final answer
    x = 286.43

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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.