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Finding the Fourth Proportional to 424.82, 586.25 and 235.77

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Solution

The fourth proportional to 424.82, 586.25 and 235.77 is: 325.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    424.82 : 586.25 = 235.77 : x
  2. Step 2: Convert to fraction form
    424.82/586.25 = 235.77/x
  3. Step 3: Cross multiply
    424.82x = 586.25 × 235.77
  4. Step 4: Simplify right side
    424.82x = 138,222.29
  5. Step 5: Solve for x
    x = 138,222.29/424.82
  6. Step 6: Final answer
    x = 325.36

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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.