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Finding the Fourth Proportional to 468.48, 699 and 416.24

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Solution

The fourth proportional to 468.48, 699 and 416.24 is: 621.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.48 : 699 = 416.24 : x
  2. Step 2: Convert to fraction form
    468.48/699 = 416.24/x
  3. Step 3: Cross multiply
    468.48x = 699 × 416.24
  4. Step 4: Simplify right side
    468.48x = 290,951.76
  5. Step 5: Solve for x
    x = 290,951.76/468.48
  6. Step 6: Final answer
    x = 621.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.