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Finding the Fourth Proportional to 458.57, 632.91 and 334.07

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Solution

The fourth proportional to 458.57, 632.91 and 334.07 is: 461.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    458.57 : 632.91 = 334.07 : x
  2. Step 2: Convert to fraction form
    458.57/632.91 = 334.07/x
  3. Step 3: Cross multiply
    458.57x = 632.91 × 334.07
  4. Step 4: Simplify right side
    458.57x = 211,436.24
  5. Step 5: Solve for x
    x = 211,436.24/458.57
  6. Step 6: Final answer
    x = 461.08

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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.