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Finding the Fourth Proportional to 621.50, 933.36 and 606.92

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Solution

The fourth proportional to 621.50, 933.36 and 606.92 is: 911.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    621.50 : 933.36 = 606.92 : x
  2. Step 2: Convert to fraction form
    621.50/933.36 = 606.92/x
  3. Step 3: Cross multiply
    621.50x = 933.36 × 606.92
  4. Step 4: Simplify right side
    621.50x = 566,474.85
  5. Step 5: Solve for x
    x = 566,474.85/621.50
  6. Step 6: Final answer
    x = 911.46

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1.5x scale

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.