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Finding the Fourth Proportional to 693.17, 954.85 and 482.98

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Solution

The fourth proportional to 693.17, 954.85 and 482.98 is: 665.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    693.17 : 954.85 = 482.98 : x
  2. Step 2: Convert to fraction form
    693.17/954.85 = 482.98/x
  3. Step 3: Cross multiply
    693.17x = 954.85 × 482.98
  4. Step 4: Simplify right side
    693.17x = 461,173.45
  5. Step 5: Solve for x
    x = 461,173.45/693.17
  6. Step 6: Final answer
    x = 665.31

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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.