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Finding the Fourth Proportional to 337.18, 465.05 and 254.30

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Solution

The fourth proportional to 337.18, 465.05 and 254.30 is: 350.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.18 : 465.05 = 254.30 : x
  2. Step 2: Convert to fraction form
    337.18/465.05 = 254.30/x
  3. Step 3: Cross multiply
    337.18x = 465.05 × 254.30
  4. Step 4: Simplify right side
    337.18x = 118,262.22
  5. Step 5: Solve for x
    x = 118,262.22/337.18
  6. Step 6: Final answer
    x = 350.74

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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.