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Finding the Fourth Proportional to 705.42, 973.62 and 410.68

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Solution

The fourth proportional to 705.42, 973.62 and 410.68 is: 566.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    705.42 : 973.62 = 410.68 : x
  2. Step 2: Convert to fraction form
    705.42/973.62 = 410.68/x
  3. Step 3: Cross multiply
    705.42x = 973.62 × 410.68
  4. Step 4: Simplify right side
    705.42x = 399,846.26
  5. Step 5: Solve for x
    x = 399,846.26/705.42
  6. Step 6: Final answer
    x = 566.82

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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.