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Finding the Fourth Proportional to 633.10, 948.34 and 372.32

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Solution

The fourth proportional to 633.10, 948.34 and 372.32 is: 557.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.10 : 948.34 = 372.32 : x
  2. Step 2: Convert to fraction form
    633.10/948.34 = 372.32/x
  3. Step 3: Cross multiply
    633.10x = 948.34 × 372.32
  4. Step 4: Simplify right side
    633.10x = 353,079.35
  5. Step 5: Solve for x
    x = 353,079.35/633.10
  6. Step 6: Final answer
    x = 557.70

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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.