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Finding the Fourth Proportional to 302.99, 454.60 and 158.61

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Solution

The fourth proportional to 302.99, 454.60 and 158.61 is: 237.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.99 : 454.60 = 158.61 : x
  2. Step 2: Convert to fraction form
    302.99/454.60 = 158.61/x
  3. Step 3: Cross multiply
    302.99x = 454.60 × 158.61
  4. Step 4: Simplify right side
    302.99x = 72,102.57
  5. Step 5: Solve for x
    x = 72,102.57/302.99
  6. Step 6: Final answer
    x = 237.97

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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.