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Finding the Fourth Proportional to 546.65, 754.47 and 336.99

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Solution

The fourth proportional to 546.65, 754.47 and 336.99 is: 465.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.65 : 754.47 = 336.99 : x
  2. Step 2: Convert to fraction form
    546.65/754.47 = 336.99/x
  3. Step 3: Cross multiply
    546.65x = 754.47 × 336.99
  4. Step 4: Simplify right side
    546.65x = 254,248.85
  5. Step 5: Solve for x
    x = 254,248.85/546.65
  6. Step 6: Final answer
    x = 465.11

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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.