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Finding the Fourth Proportional to 614.94, 847.83 and 503.10

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Solution

The fourth proportional to 614.94, 847.83 and 503.10 is: 693.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.94 : 847.83 = 503.10 : x
  2. Step 2: Convert to fraction form
    614.94/847.83 = 503.10/x
  3. Step 3: Cross multiply
    614.94x = 847.83 × 503.10
  4. Step 4: Simplify right side
    614.94x = 426,543.27
  5. Step 5: Solve for x
    x = 426,543.27/614.94
  6. Step 6: Final answer
    x = 693.63

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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.