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Finding the Fourth Proportional to 570.04, 786.68 and 333.99

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Solution

The fourth proportional to 570.04, 786.68 and 333.99 is: 460.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    570.04 : 786.68 = 333.99 : x
  2. Step 2: Convert to fraction form
    570.04/786.68 = 333.99/x
  3. Step 3: Cross multiply
    570.04x = 786.68 × 333.99
  4. Step 4: Simplify right side
    570.04x = 262,744.09
  5. Step 5: Solve for x
    x = 262,744.09/570.04
  6. Step 6: Final answer
    x = 460.92

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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.