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Finding the Fourth Proportional to 591.99, 888.24 and 317.76

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Solution

The fourth proportional to 591.99, 888.24 and 317.76 is: 476.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.99 : 888.24 = 317.76 : x
  2. Step 2: Convert to fraction form
    591.99/888.24 = 317.76/x
  3. Step 3: Cross multiply
    591.99x = 888.24 × 317.76
  4. Step 4: Simplify right side
    591.99x = 282,244.48
  5. Step 5: Solve for x
    x = 282,244.48/591.99
  6. Step 6: Final answer
    x = 476.77

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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.