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Finding the Fourth Proportional to 705.24, 973.31 and 436.10

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Solution

The fourth proportional to 705.24, 973.31 and 436.10 is: 601.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    705.24 : 973.31 = 436.10 : x
  2. Step 2: Convert to fraction form
    705.24/973.31 = 436.10/x
  3. Step 3: Cross multiply
    705.24x = 973.31 × 436.10
  4. Step 4: Simplify right side
    705.24x = 424,453.44
  5. Step 5: Solve for x
    x = 424,453.44/705.24
  6. Step 6: Final answer
    x = 601.86

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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.