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Finding the Fourth Proportional to 354.36, 487.98 and 337.08

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Solution

The fourth proportional to 354.36, 487.98 and 337.08 is: 464.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    354.36 : 487.98 = 337.08 : x
  2. Step 2: Convert to fraction form
    354.36/487.98 = 337.08/x
  3. Step 3: Cross multiply
    354.36x = 487.98 × 337.08
  4. Step 4: Simplify right side
    354.36x = 164,488.30
  5. Step 5: Solve for x
    x = 164,488.30/354.36
  6. Step 6: Final answer
    x = 464.18

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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.