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Finding the Fourth Proportional to 705.12, 973.08 and 410.44

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Solution

The fourth proportional to 705.12, 973.08 and 410.44 is: 566.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    705.12 : 973.08 = 410.44 : x
  2. Step 2: Convert to fraction form
    705.12/973.08 = 410.44/x
  3. Step 3: Cross multiply
    705.12x = 973.08 × 410.44
  4. Step 4: Simplify right side
    705.12x = 399,390.96
  5. Step 5: Solve for x
    x = 399,390.96/705.12
  6. Step 6: Final answer
    x = 566.42

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1.5x scale

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.