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Finding the Fourth Proportional to 314.67, 472.08 and 184.63

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Solution

The fourth proportional to 314.67, 472.08 and 184.63 is: 276.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    314.67 : 472.08 = 184.63 : x
  2. Step 2: Convert to fraction form
    314.67/472.08 = 184.63/x
  3. Step 3: Cross multiply
    314.67x = 472.08 × 184.63
  4. Step 4: Simplify right side
    314.67x = 87,160.13
  5. Step 5: Solve for x
    x = 87,160.13/314.67
  6. Step 6: Final answer
    x = 276.99

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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.