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Finding the Fourth Proportional to 560.33, 834.86 and 528.90

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Solution

The fourth proportional to 560.33, 834.86 and 528.90 is: 788.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.33 : 834.86 = 528.90 : x
  2. Step 2: Convert to fraction form
    560.33/834.86 = 528.90/x
  3. Step 3: Cross multiply
    560.33x = 834.86 × 528.90
  4. Step 4: Simplify right side
    560.33x = 441,555.65
  5. Step 5: Solve for x
    x = 441,555.65/560.33
  6. Step 6: Final answer
    x = 788.03

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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.