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Finding the Fourth Proportional to 314.04, 433.38 and 174.19

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Solution

The fourth proportional to 314.04, 433.38 and 174.19 is: 240.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    314.04 : 433.38 = 174.19 : x
  2. Step 2: Convert to fraction form
    314.04/433.38 = 174.19/x
  3. Step 3: Cross multiply
    314.04x = 433.38 × 174.19
  4. Step 4: Simplify right side
    314.04x = 75,491.79
  5. Step 5: Solve for x
    x = 75,491.79/314.04
  6. Step 6: Final answer
    x = 240.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.