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Finding the Fourth Proportional to 314.42, 472.03 and 170.24

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Solution

The fourth proportional to 314.42, 472.03 and 170.24 is: 255.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    314.42 : 472.03 = 170.24 : x
  2. Step 2: Convert to fraction form
    314.42/472.03 = 170.24/x
  3. Step 3: Cross multiply
    314.42x = 472.03 × 170.24
  4. Step 4: Simplify right side
    314.42x = 80,355.60
  5. Step 5: Solve for x
    x = 80,355.60/314.42
  6. Step 6: Final answer
    x = 255.57

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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.