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Finding the Fourth Proportional to 629.32, 942.54 and 607.72

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Solution

The fourth proportional to 629.32, 942.54 and 607.72 is: 910.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.32 : 942.54 = 607.72 : x
  2. Step 2: Convert to fraction form
    629.32/942.54 = 607.72/x
  3. Step 3: Cross multiply
    629.32x = 942.54 × 607.72
  4. Step 4: Simplify right side
    629.32x = 572,800.41
  5. Step 5: Solve for x
    x = 572,800.41/629.32
  6. Step 6: Final answer
    x = 910.19

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