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Finding the Fourth Proportional to 374.09, 560.26 and 361.11

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Solution

The fourth proportional to 374.09, 560.26 and 361.11 is: 540.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.09 : 560.26 = 361.11 : x
  2. Step 2: Convert to fraction form
    374.09/560.26 = 361.11/x
  3. Step 3: Cross multiply
    374.09x = 560.26 × 361.11
  4. Step 4: Simplify right side
    374.09x = 202,315.49
  5. Step 5: Solve for x
    x = 202,315.49/374.09
  6. Step 6: Final answer
    x = 540.82

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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.