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Finding the Fourth Proportional to 424.31, 583.59 and 341.23

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Solution

The fourth proportional to 424.31, 583.59 and 341.23 is: 469.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    424.31 : 583.59 = 341.23 : x
  2. Step 2: Convert to fraction form
    424.31/583.59 = 341.23/x
  3. Step 3: Cross multiply
    424.31x = 583.59 × 341.23
  4. Step 4: Simplify right side
    424.31x = 199,138.42
  5. Step 5: Solve for x
    x = 199,138.42/424.31
  6. Step 6: Final answer
    x = 469.32

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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.