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Finding the Fourth Proportional to 452.01, 623.71 and 274.95

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Solution

The fourth proportional to 452.01, 623.71 and 274.95 is: 379.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.01 : 623.71 = 274.95 : x
  2. Step 2: Convert to fraction form
    452.01/623.71 = 274.95/x
  3. Step 3: Cross multiply
    452.01x = 623.71 × 274.95
  4. Step 4: Simplify right side
    452.01x = 171,489.06
  5. Step 5: Solve for x
    x = 171,489.06/452.01
  6. Step 6: Final answer
    x = 379.39

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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.