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Finding the Fourth Proportional to 338.51, 507.77 and 184.74

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Solution

The fourth proportional to 338.51, 507.77 and 184.74 is: 277.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.51 : 507.77 = 184.74 : x
  2. Step 2: Convert to fraction form
    338.51/507.77 = 184.74/x
  3. Step 3: Cross multiply
    338.51x = 507.77 × 184.74
  4. Step 4: Simplify right side
    338.51x = 93,806.57
  5. Step 5: Solve for x
    x = 93,806.57/338.51
  6. Step 6: Final answer
    x = 277.11

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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.