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Finding the Fourth Proportional to 302.60, 452.94 and 158.12

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Solution

The fourth proportional to 302.60, 452.94 and 158.12 is: 236.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.60 : 452.94 = 158.12 : x
  2. Step 2: Convert to fraction form
    302.60/452.94 = 158.12/x
  3. Step 3: Cross multiply
    302.60x = 452.94 × 158.12
  4. Step 4: Simplify right side
    302.60x = 71,618.87
  5. Step 5: Solve for x
    x = 71,618.87/302.60
  6. Step 6: Final answer
    x = 236.68

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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.