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Finding the Fourth Proportional to 302.59, 454.83 and 245.08

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Solution

The fourth proportional to 302.59, 454.83 and 245.08 is: 368.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.59 : 454.83 = 245.08 : x
  2. Step 2: Convert to fraction form
    302.59/454.83 = 245.08/x
  3. Step 3: Cross multiply
    302.59x = 454.83 × 245.08
  4. Step 4: Simplify right side
    302.59x = 111,469.74
  5. Step 5: Solve for x
    x = 111,469.74/302.59
  6. Step 6: Final answer
    x = 368.39

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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.