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Finding the Fourth Proportional to 623.09, 938.37 and 567.74

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Solution

The fourth proportional to 623.09, 938.37 and 567.74 is: 855.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.09 : 938.37 = 567.74 : x
  2. Step 2: Convert to fraction form
    623.09/938.37 = 567.74/x
  3. Step 3: Cross multiply
    623.09x = 938.37 × 567.74
  4. Step 4: Simplify right side
    623.09x = 532,743.36
  5. Step 5: Solve for x
    x = 532,743.36/623.09
  6. Step 6: Final answer
    x = 855.00

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.