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Finding the Fourth Proportional to 599.28, 825.40 and 556.76

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Solution

The fourth proportional to 599.28, 825.40 and 556.76 is: 766.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.28 : 825.40 = 556.76 : x
  2. Step 2: Convert to fraction form
    599.28/825.40 = 556.76/x
  3. Step 3: Cross multiply
    599.28x = 825.40 × 556.76
  4. Step 4: Simplify right side
    599.28x = 459,549.70
  5. Step 5: Solve for x
    x = 459,549.70/599.28
  6. Step 6: Final answer
    x = 766.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.