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Finding the Fourth Proportional to 472.67, 652.16 and 348.74

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Solution

The fourth proportional to 472.67, 652.16 and 348.74 is: 481.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.67 : 652.16 = 348.74 : x
  2. Step 2: Convert to fraction form
    472.67/652.16 = 348.74/x
  3. Step 3: Cross multiply
    472.67x = 652.16 × 348.74
  4. Step 4: Simplify right side
    472.67x = 227,432.53
  5. Step 5: Solve for x
    x = 227,432.53/472.67
  6. Step 6: Final answer
    x = 481.17

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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.