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Finding the Fourth Proportional to 302.99, 452.78 and 244.67

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Solution

The fourth proportional to 302.99, 452.78 and 244.67 is: 365.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.99 : 452.78 = 244.67 : x
  2. Step 2: Convert to fraction form
    302.99/452.78 = 244.67/x
  3. Step 3: Cross multiply
    302.99x = 452.78 × 244.67
  4. Step 4: Simplify right side
    302.99x = 110,781.32
  5. Step 5: Solve for x
    x = 110,781.32/302.99
  6. Step 6: Final answer
    x = 365.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.