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Finding the Fourth Proportional to 473.99, 652.46 and 411.35

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Solution

The fourth proportional to 473.99, 652.46 and 411.35 is: 566.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.99 : 652.46 = 411.35 : x
  2. Step 2: Convert to fraction form
    473.99/652.46 = 411.35/x
  3. Step 3: Cross multiply
    473.99x = 652.46 × 411.35
  4. Step 4: Simplify right side
    473.99x = 268,384.10
  5. Step 5: Solve for x
    x = 268,384.10/473.99
  6. Step 6: Final answer
    x = 566.23

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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.