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Finding the Fourth Proportional to 524.58, 787.02 and 199.97

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Solution

The fourth proportional to 524.58, 787.02 and 199.97 is: 300.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.58 : 787.02 = 199.97 : x
  2. Step 2: Convert to fraction form
    524.58/787.02 = 199.97/x
  3. Step 3: Cross multiply
    524.58x = 787.02 × 199.97
  4. Step 4: Simplify right side
    524.58x = 157,378.66
  5. Step 5: Solve for x
    x = 157,378.66/524.58
  6. Step 6: Final answer
    x = 300.01

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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.