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Finding the Fourth Proportional to 458.04, 631.56 and 341.40

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Solution

The fourth proportional to 458.04, 631.56 and 341.40 is: 470.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    458.04 : 631.56 = 341.40 : x
  2. Step 2: Convert to fraction form
    458.04/631.56 = 341.40/x
  3. Step 3: Cross multiply
    458.04x = 631.56 × 341.40
  4. Step 4: Simplify right side
    458.04x = 215,614.58
  5. Step 5: Solve for x
    x = 215,614.58/458.04
  6. Step 6: Final answer
    x = 470.73

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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.