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Finding the Fourth Proportional to 933.46, 1,400.43 and 500.50

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Solution

The fourth proportional to 933.46, 1,400.43 and 500.50 is: 750.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    933.46 : 1,400.43 = 500.50 : x
  2. Step 2: Convert to fraction form
    933.46/1,400.43 = 500.50/x
  3. Step 3: Cross multiply
    933.46x = 1,400.43 × 500.50
  4. Step 4: Simplify right side
    933.46x = 700,915.22
  5. Step 5: Solve for x
    x = 700,915.22/933.46
  6. Step 6: Final answer
    x = 750.88

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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.