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Finding the Fourth Proportional to 301.94, 452.95 and 106.99

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Solution

The fourth proportional to 301.94, 452.95 and 106.99 is: 160.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.94 : 452.95 = 106.99 : x
  2. Step 2: Convert to fraction form
    301.94/452.95 = 106.99/x
  3. Step 3: Cross multiply
    301.94x = 452.95 × 106.99
  4. Step 4: Simplify right side
    301.94x = 48,461.12
  5. Step 5: Solve for x
    x = 48,461.12/301.94
  6. Step 6: Final answer
    x = 160.50

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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.