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Finding the Fourth Proportional to 629.58, 942.00 and 565.64

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Solution

The fourth proportional to 629.58, 942.00 and 565.64 is: 846.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.58 : 942.00 = 565.64 : x
  2. Step 2: Convert to fraction form
    629.58/942.00 = 565.64/x
  3. Step 3: Cross multiply
    629.58x = 942.00 × 565.64
  4. Step 4: Simplify right side
    629.58x = 532,830.64
  5. Step 5: Solve for x
    x = 532,830.64/629.58
  6. Step 6: Final answer
    x = 846.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.