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Finding the Fourth Proportional to 614.04, 847.28 and 437.46

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Solution

The fourth proportional to 614.04, 847.28 and 437.46 is: 603.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.04 : 847.28 = 437.46 : x
  2. Step 2: Convert to fraction form
    614.04/847.28 = 437.46/x
  3. Step 3: Cross multiply
    614.04x = 847.28 × 437.46
  4. Step 4: Simplify right side
    614.04x = 370,651.11
  5. Step 5: Solve for x
    x = 370,651.11/614.04
  6. Step 6: Final answer
    x = 603.63

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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.