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Finding the Fourth Proportional to 301.39, 452.16 and 155.18

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Solution

The fourth proportional to 301.39, 452.16 and 155.18 is: 232.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.39 : 452.16 = 155.18 : x
  2. Step 2: Convert to fraction form
    301.39/452.16 = 155.18/x
  3. Step 3: Cross multiply
    301.39x = 452.16 × 155.18
  4. Step 4: Simplify right side
    301.39x = 70,167.32
  5. Step 5: Solve for x
    x = 70,167.32/301.39
  6. Step 6: Final answer
    x = 232.81

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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.