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Finding the Fourth Proportional to 338.40, 507.26 and 184.17

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Solution

The fourth proportional to 338.40, 507.26 and 184.17 is: 276.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.40 : 507.26 = 184.17 : x
  2. Step 2: Convert to fraction form
    338.40/507.26 = 184.17/x
  3. Step 3: Cross multiply
    338.40x = 507.26 × 184.17
  4. Step 4: Simplify right side
    338.40x = 93,424.44
  5. Step 5: Solve for x
    x = 93,424.44/338.40
  6. Step 6: Final answer
    x = 276.07

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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.