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Finding the Fourth Proportional to 528.84, 793.62 and 254.88

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Solution

The fourth proportional to 528.84, 793.62 and 254.88 is: 382.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    528.84 : 793.62 = 254.88 : x
  2. Step 2: Convert to fraction form
    528.84/793.62 = 254.88/x
  3. Step 3: Cross multiply
    528.84x = 793.62 × 254.88
  4. Step 4: Simplify right side
    528.84x = 202,277.87
  5. Step 5: Solve for x
    x = 202,277.87/528.84
  6. Step 6: Final answer
    x = 382.49

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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.