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Finding the Fourth Proportional to 338.39, 507.01 and 183.95

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Solution

The fourth proportional to 338.39, 507.01 and 183.95 is: 275.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.39 : 507.01 = 183.95 : x
  2. Step 2: Convert to fraction form
    338.39/507.01 = 183.95/x
  3. Step 3: Cross multiply
    338.39x = 507.01 × 183.95
  4. Step 4: Simplify right side
    338.39x = 93,264.49
  5. Step 5: Solve for x
    x = 93,264.49/338.39
  6. Step 6: Final answer
    x = 275.61

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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.