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Finding the Fourth Proportional to 707.00, 1,060.16 and 219.92

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Solution

The fourth proportional to 707.00, 1,060.16 and 219.92 is: 329.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    707.00 : 1,060.16 = 219.92 : x
  2. Step 2: Convert to fraction form
    707.00/1,060.16 = 219.92/x
  3. Step 3: Cross multiply
    707.00x = 1,060.16 × 219.92
  4. Step 4: Simplify right side
    707.00x = 233,143.99
  5. Step 5: Solve for x
    x = 233,143.99/707.00
  6. Step 6: Final answer
    x = 329.77

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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.