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Finding the Fourth Proportional to 704.29, 971.95 and 435.16

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Solution

The fourth proportional to 704.29, 971.95 and 435.16 is: 600.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.29 : 971.95 = 435.16 : x
  2. Step 2: Convert to fraction form
    704.29/971.95 = 435.16/x
  3. Step 3: Cross multiply
    704.29x = 971.95 × 435.16
  4. Step 4: Simplify right side
    704.29x = 422,955.60
  5. Step 5: Solve for x
    x = 422,955.60/704.29
  6. Step 6: Final answer
    x = 600.54

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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.