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Finding the Fourth Proportional to 302.27, 416.61 and 294.57

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Solution

The fourth proportional to 302.27, 416.61 and 294.57 is: 406.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.27 : 416.61 = 294.57 : x
  2. Step 2: Convert to fraction form
    302.27/416.61 = 294.57/x
  3. Step 3: Cross multiply
    302.27x = 416.61 × 294.57
  4. Step 4: Simplify right side
    302.27x = 122,720.81
  5. Step 5: Solve for x
    x = 122,720.81/302.27
  6. Step 6: Final answer
    x = 406.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.