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Finding the Fourth Proportional to 637.86, 951.30 and 626.34

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Solution

The fourth proportional to 637.86, 951.30 and 626.34 is: 934.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.86 : 951.30 = 626.34 : x
  2. Step 2: Convert to fraction form
    637.86/951.30 = 626.34/x
  3. Step 3: Cross multiply
    637.86x = 951.30 × 626.34
  4. Step 4: Simplify right side
    637.86x = 595,837.24
  5. Step 5: Solve for x
    x = 595,837.24/637.86
  6. Step 6: Final answer
    x = 934.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.