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Finding the Fourth Proportional to 427.49, 590.15 and 334.02

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Solution

The fourth proportional to 427.49, 590.15 and 334.02 is: 461.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    427.49 : 590.15 = 334.02 : x
  2. Step 2: Convert to fraction form
    427.49/590.15 = 334.02/x
  3. Step 3: Cross multiply
    427.49x = 590.15 × 334.02
  4. Step 4: Simplify right side
    427.49x = 197,122.74
  5. Step 5: Solve for x
    x = 197,122.74/427.49
  6. Step 6: Final answer
    x = 461.12

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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.