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Finding the Fourth Proportional to 647.12, 968.22 and 373.34

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Solution

The fourth proportional to 647.12, 968.22 and 373.34 is: 558.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    647.12 : 968.22 = 373.34 : x
  2. Step 2: Convert to fraction form
    647.12/968.22 = 373.34/x
  3. Step 3: Cross multiply
    647.12x = 968.22 × 373.34
  4. Step 4: Simplify right side
    647.12x = 361,475.25
  5. Step 5: Solve for x
    x = 361,475.25/647.12
  6. Step 6: Final answer
    x = 558.59

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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.