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Finding the Fourth Proportional to 459.06, 634.05 and 372.18

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Solution

The fourth proportional to 459.06, 634.05 and 372.18 is: 514.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.06 : 634.05 = 372.18 : x
  2. Step 2: Convert to fraction form
    459.06/634.05 = 372.18/x
  3. Step 3: Cross multiply
    459.06x = 634.05 × 372.18
  4. Step 4: Simplify right side
    459.06x = 235,980.73
  5. Step 5: Solve for x
    x = 235,980.73/459.06
  6. Step 6: Final answer
    x = 514.05

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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.