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Finding the Fourth Proportional to 404.65, 558.06 and 264.66

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Solution

The fourth proportional to 404.65, 558.06 and 264.66 is: 365.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.65 : 558.06 = 264.66 : x
  2. Step 2: Convert to fraction form
    404.65/558.06 = 264.66/x
  3. Step 3: Cross multiply
    404.65x = 558.06 × 264.66
  4. Step 4: Simplify right side
    404.65x = 147,696.16
  5. Step 5: Solve for x
    x = 147,696.16/404.65
  6. Step 6: Final answer
    x = 365.00

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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.