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Finding the Fourth Proportional to 374.12, 560.34 and 229.52

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Solution

The fourth proportional to 374.12, 560.34 and 229.52 is: 343.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.12 : 560.34 = 229.52 : x
  2. Step 2: Convert to fraction form
    374.12/560.34 = 229.52/x
  3. Step 3: Cross multiply
    374.12x = 560.34 × 229.52
  4. Step 4: Simplify right side
    374.12x = 128,609.24
  5. Step 5: Solve for x
    x = 128,609.24/374.12
  6. Step 6: Final answer
    x = 343.76

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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.