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Finding the Fourth Proportional to 341.43, 470.66 and 243.02

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Solution

The fourth proportional to 341.43, 470.66 and 243.02 is: 334.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.43 : 470.66 = 243.02 : x
  2. Step 2: Convert to fraction form
    341.43/470.66 = 243.02/x
  3. Step 3: Cross multiply
    341.43x = 470.66 × 243.02
  4. Step 4: Simplify right side
    341.43x = 114,376.22
  5. Step 5: Solve for x
    x = 114,376.22/341.43
  6. Step 6: Final answer
    x = 334.99

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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.