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Finding the Fourth Proportional to 458.55, 632.07 and 360.18

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Solution

The fourth proportional to 458.55, 632.07 and 360.18 is: 496.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    458.55 : 632.07 = 360.18 : x
  2. Step 2: Convert to fraction form
    458.55/632.07 = 360.18/x
  3. Step 3: Cross multiply
    458.55x = 632.07 × 360.18
  4. Step 4: Simplify right side
    458.55x = 227,658.97
  5. Step 5: Solve for x
    x = 227,658.97/458.55
  6. Step 6: Final answer
    x = 496.48

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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.