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Finding the Fourth Proportional to 453.48, 623.10 and 370.38

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Solution

The fourth proportional to 453.48, 623.10 and 370.38 is: 508.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.48 : 623.10 = 370.38 : x
  2. Step 2: Convert to fraction form
    453.48/623.10 = 370.38/x
  3. Step 3: Cross multiply
    453.48x = 623.10 × 370.38
  4. Step 4: Simplify right side
    453.48x = 230,783.78
  5. Step 5: Solve for x
    x = 230,783.78/453.48
  6. Step 6: Final answer
    x = 508.92

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.