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Finding the Fourth Proportional to 354.41, 530.49 and 237.02

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Solution

The fourth proportional to 354.41, 530.49 and 237.02 is: 354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    354.41 : 530.49 = 237.02 : x
  2. Step 2: Convert to fraction form
    354.41/530.49 = 237.02/x
  3. Step 3: Cross multiply
    354.41x = 530.49 × 237.02
  4. Step 4: Simplify right side
    354.41x = 125,736.74
  5. Step 5: Solve for x
    x = 125,736.74/354.41
  6. Step 6: Final answer
    x = 354.78

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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.