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Finding the Fourth Proportional to 472.03, 650.59 and 340.99

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Solution

The fourth proportional to 472.03, 650.59 and 340.99 is: 469.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.03 : 650.59 = 340.99 : x
  2. Step 2: Convert to fraction form
    472.03/650.59 = 340.99/x
  3. Step 3: Cross multiply
    472.03x = 650.59 × 340.99
  4. Step 4: Simplify right side
    472.03x = 221,844.68
  5. Step 5: Solve for x
    x = 221,844.68/472.03
  6. Step 6: Final answer
    x = 469.98

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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.