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Finding the Fourth Proportional to 705.13, 973.34 and 573.91

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Solution

The fourth proportional to 705.13, 973.34 and 573.91 is: 792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    705.13 : 973.34 = 573.91 : x
  2. Step 2: Convert to fraction form
    705.13/973.34 = 573.91/x
  3. Step 3: Cross multiply
    705.13x = 973.34 × 573.91
  4. Step 4: Simplify right side
    705.13x = 558,606.69
  5. Step 5: Solve for x
    x = 558,606.69/705.13
  6. Step 6: Final answer
    x = 792.20

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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.