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Finding the Fourth Proportional to 452.10, 623.38 and 368.95

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Solution

The fourth proportional to 452.10, 623.38 and 368.95 is: 508.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.10 : 623.38 = 368.95 : x
  2. Step 2: Convert to fraction form
    452.10/623.38 = 368.95/x
  3. Step 3: Cross multiply
    452.10x = 623.38 × 368.95
  4. Step 4: Simplify right side
    452.10x = 229,996.05
  5. Step 5: Solve for x
    x = 229,996.05/452.10
  6. Step 6: Final answer
    x = 508.73

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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.