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Finding the Fourth Proportional to 571.04, 787.95 and 335.04

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Solution

The fourth proportional to 571.04, 787.95 and 335.04 is: 462.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    571.04 : 787.95 = 335.04 : x
  2. Step 2: Convert to fraction form
    571.04/787.95 = 335.04/x
  3. Step 3: Cross multiply
    571.04x = 787.95 × 335.04
  4. Step 4: Simplify right side
    571.04x = 263,994.77
  5. Step 5: Solve for x
    x = 263,994.77/571.04
  6. Step 6: Final answer
    x = 462.31

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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.