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Finding the Fourth Proportional to 411.24, 614.59 and 368.41

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Solution

The fourth proportional to 411.24, 614.59 and 368.41 is: 550.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    411.24 : 614.59 = 368.41 : x
  2. Step 2: Convert to fraction form
    411.24/614.59 = 368.41/x
  3. Step 3: Cross multiply
    411.24x = 614.59 × 368.41
  4. Step 4: Simplify right side
    411.24x = 226,420.26
  5. Step 5: Solve for x
    x = 226,420.26/411.24
  6. Step 6: Final answer
    x = 550.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.