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Finding the Fourth Proportional to 560.37, 846.90 and 550.78

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Solution

The fourth proportional to 560.37, 846.90 and 550.78 is: 832.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.37 : 846.90 = 550.78 : x
  2. Step 2: Convert to fraction form
    560.37/846.90 = 550.78/x
  3. Step 3: Cross multiply
    560.37x = 846.90 × 550.78
  4. Step 4: Simplify right side
    560.37x = 466,455.58
  5. Step 5: Solve for x
    x = 466,455.58/560.37
  6. Step 6: Final answer
    x = 832.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.