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Finding the Fourth Proportional to 354.09, 530.63 and 244.29

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Solution

The fourth proportional to 354.09, 530.63 and 244.29 is: 366.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    354.09 : 530.63 = 244.29 : x
  2. Step 2: Convert to fraction form
    354.09/530.63 = 244.29/x
  3. Step 3: Cross multiply
    354.09x = 530.63 × 244.29
  4. Step 4: Simplify right side
    354.09x = 129,626.38
  5. Step 5: Solve for x
    x = 129,626.38/354.09
  6. Step 6: Final answer
    x = 366.08

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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.