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Finding the Fourth Proportional to 623.08, 934.98 and 574.12

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Solution

The fourth proportional to 623.08, 934.98 and 574.12 is: 861.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.08 : 934.98 = 574.12 : x
  2. Step 2: Convert to fraction form
    623.08/934.98 = 574.12/x
  3. Step 3: Cross multiply
    623.08x = 934.98 × 574.12
  4. Step 4: Simplify right side
    623.08x = 536,790.72
  5. Step 5: Solve for x
    x = 536,790.72/623.08
  6. Step 6: Final answer
    x = 861.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.