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Finding the Fourth Proportional to 693.17, 955.71 and 444.08

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Solution

The fourth proportional to 693.17, 955.71 and 444.08 is: 612.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    693.17 : 955.71 = 444.08 : x
  2. Step 2: Convert to fraction form
    693.17/955.71 = 444.08/x
  3. Step 3: Cross multiply
    693.17x = 955.71 × 444.08
  4. Step 4: Simplify right side
    693.17x = 424,411.70
  5. Step 5: Solve for x
    x = 424,411.70/693.17
  6. Step 6: Final answer
    x = 612.28

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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.