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Finding the Fourth Proportional to 434.48, 652.62 and 369.47

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Solution

The fourth proportional to 434.48, 652.62 and 369.47 is: 554.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.48 : 652.62 = 369.47 : x
  2. Step 2: Convert to fraction form
    434.48/652.62 = 369.47/x
  3. Step 3: Cross multiply
    434.48x = 652.62 × 369.47
  4. Step 4: Simplify right side
    434.48x = 241,120.25
  5. Step 5: Solve for x
    x = 241,120.25/434.48
  6. Step 6: Final answer
    x = 554.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.