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Finding the Fourth Proportional to 302.68, 452.94 and 248.68

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Solution

The fourth proportional to 302.68, 452.94 and 248.68 is: 372.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.68 : 452.94 = 248.68 : x
  2. Step 2: Convert to fraction form
    302.68/452.94 = 248.68/x
  3. Step 3: Cross multiply
    302.68x = 452.94 × 248.68
  4. Step 4: Simplify right side
    302.68x = 112,637.12
  5. Step 5: Solve for x
    x = 112,637.12/302.68
  6. Step 6: Final answer
    x = 372.13

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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.