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Finding the Fourth Proportional to 592.12, 887.86 and 317.56

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Solution

The fourth proportional to 592.12, 887.86 and 317.56 is: 476.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.12 : 887.86 = 317.56 : x
  2. Step 2: Convert to fraction form
    592.12/887.86 = 317.56/x
  3. Step 3: Cross multiply
    592.12x = 887.86 × 317.56
  4. Step 4: Simplify right side
    592.12x = 281,948.82
  5. Step 5: Solve for x
    x = 281,948.82/592.12
  6. Step 6: Final answer
    x = 476.17

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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.