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Finding the Fourth Proportional to 452.17, 623.84 and 275.08

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Solution

The fourth proportional to 452.17, 623.84 and 275.08 is: 379.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.17 : 623.84 = 275.08 : x
  2. Step 2: Convert to fraction form
    452.17/623.84 = 275.08/x
  3. Step 3: Cross multiply
    452.17x = 623.84 × 275.08
  4. Step 4: Simplify right side
    452.17x = 171,601.41
  5. Step 5: Solve for x
    x = 171,601.41/452.17
  6. Step 6: Final answer
    x = 379.51

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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.