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Finding the Fourth Proportional to 693.66, 956.29 and 483.53

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Solution

The fourth proportional to 693.66, 956.29 and 483.53 is: 666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    693.66 : 956.29 = 483.53 : x
  2. Step 2: Convert to fraction form
    693.66/956.29 = 483.53/x
  3. Step 3: Cross multiply
    693.66x = 956.29 × 483.53
  4. Step 4: Simplify right side
    693.66x = 462,392.49
  5. Step 5: Solve for x
    x = 462,392.49/693.66
  6. Step 6: Final answer
    x = 666.60

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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.