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Finding the Fourth Proportional to 610.16, 913.34 and 493.64

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Solution

The fourth proportional to 610.16, 913.34 and 493.64 is: 738.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.16 : 913.34 = 493.64 : x
  2. Step 2: Convert to fraction form
    610.16/913.34 = 493.64/x
  3. Step 3: Cross multiply
    610.16x = 913.34 × 493.64
  4. Step 4: Simplify right side
    610.16x = 450,854.12
  5. Step 5: Solve for x
    x = 450,854.12/610.16
  6. Step 6: Final answer
    x = 738.92

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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.