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Finding the Fourth Proportional to 571.02, 787.98 and 334.94

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Solution

The fourth proportional to 571.02, 787.98 and 334.94 is: 462.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    571.02 : 787.98 = 334.94 : x
  2. Step 2: Convert to fraction form
    571.02/787.98 = 334.94/x
  3. Step 3: Cross multiply
    571.02x = 787.98 × 334.94
  4. Step 4: Simplify right side
    571.02x = 263,922.08
  5. Step 5: Solve for x
    x = 263,922.08/571.02
  6. Step 6: Final answer
    x = 462.19

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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.