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Finding the Fourth Proportional to 568.99, 856.93 and 504.79

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Solution

The fourth proportional to 568.99, 856.93 and 504.79 is: 760.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.99 : 856.93 = 504.79 : x
  2. Step 2: Convert to fraction form
    568.99/856.93 = 504.79/x
  3. Step 3: Cross multiply
    568.99x = 856.93 × 504.79
  4. Step 4: Simplify right side
    568.99x = 432,569.69
  5. Step 5: Solve for x
    x = 432,569.69/568.99
  6. Step 6: Final answer
    x = 760.24

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.