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Finding the Fourth Proportional to 337.32, 465.30 and 225.27

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Solution

The fourth proportional to 337.32, 465.30 and 225.27 is: 310.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.32 : 465.30 = 225.27 : x
  2. Step 2: Convert to fraction form
    337.32/465.30 = 225.27/x
  3. Step 3: Cross multiply
    337.32x = 465.30 × 225.27
  4. Step 4: Simplify right side
    337.32x = 104,818.13
  5. Step 5: Solve for x
    x = 104,818.13/337.32
  6. Step 6: Final answer
    x = 310.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.