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Finding the Fourth Proportional to 457.86, 632.38 and 334.08

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Solution

The fourth proportional to 457.86, 632.38 and 334.08 is: 461.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    457.86 : 632.38 = 334.08 : x
  2. Step 2: Convert to fraction form
    457.86/632.38 = 334.08/x
  3. Step 3: Cross multiply
    457.86x = 632.38 × 334.08
  4. Step 4: Simplify right side
    457.86x = 211,265.51
  5. Step 5: Solve for x
    x = 211,265.51/457.86
  6. Step 6: Final answer
    x = 461.42

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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.