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Finding the Fourth Proportional to 614.26, 846.57 and 503.38

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Solution

The fourth proportional to 614.26, 846.57 and 503.38 is: 693.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.26 : 846.57 = 503.38 : x
  2. Step 2: Convert to fraction form
    614.26/846.57 = 503.38/x
  3. Step 3: Cross multiply
    614.26x = 846.57 × 503.38
  4. Step 4: Simplify right side
    614.26x = 426,146.41
  5. Step 5: Solve for x
    x = 426,146.41/614.26
  6. Step 6: Final answer
    x = 693.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.