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Finding the Fourth Proportional to 693.32, 956.50 and 444.58

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Solution

The fourth proportional to 693.32, 956.50 and 444.58 is: 613.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    693.32 : 956.50 = 444.58 : x
  2. Step 2: Convert to fraction form
    693.32/956.50 = 444.58/x
  3. Step 3: Cross multiply
    693.32x = 956.50 × 444.58
  4. Step 4: Simplify right side
    693.32x = 425,240.77
  5. Step 5: Solve for x
    x = 425,240.77/693.32
  6. Step 6: Final answer
    x = 613.34

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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.